Solid state oxidation of thiols to disulfides using ammonium persulfate

Synthetic Communications

Volumn 30, Issue 7, 2000, Pages 1249-1255

  Varma, Rajender S ^a,b   Meshram, Harshadas M ^b,c   Dahiya, Rajender ^a,d  

^a SAM HOUSTON STATE UNIVERSITY   (United States)

^b HOUSTON ADVANCED RESEARCH CENTER   (United States)

^c INDIAN INSTITUTE OF CHEMICAL TECHNOLOGY   (India)

^d Mukand Lal National College   (India)

Author keywords

[No Author keywords available]

Indexed keywords

AMMONIUM DERIVATIVE; THIOL DERIVATIVE;

ARTICLE; OXIDATION; SOLID STATE;

EID: 0034027996     PISSN: 00397911     EISSN: None     Source Type: Journal    
DOI: 10.1080/00397910008087146     Document Type: Article

References (51)

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19. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
20. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
21. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
22. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
23. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
24. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
25. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
26. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
27. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
28. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
29. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
30. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
31. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
32. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
33. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
34. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
35. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
36. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
37. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
38. For cleavage-deprotection reactions see: (a) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 2623. (b) Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 5427. Varma, R.S. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 7973. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 8819. For condensation-cyclization reactions see: (e) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 2039. (f) Varma, R.S. and Dahiya, R. Synlett 1997, 1245. (g) Varma, R.S.; Dahiya, R. and Kumar, S. Tetrahedron Lett. 1997, 38, 5131. (h) Varma, R.S. and Saini, R.K. Synlett 1997, 857. For oxidation reactions see: Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1997, 38, 2043. (j) Varma, R.S.; Saini, R.K. and Meshram, H.M. Tetrahedron Lett. 1997, 38, 6525. (k) Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. Varma, R.S.; Saini, R.K. and Dahiya, R. Tetrahedron Lett. 1997, 38, 7823. Varma, R.S.; Dahiya, R. and Saini, R.K. Tetrahedron Lett. 1997, 38, 7029. (n) Varma, R.S. and Dahiya, R. Tetrahedron Lett. 1998, 39, 1307. (o) Varma, R.S.; Dahiya, R. and Kumar, D. Molecules Online 1998, 2, 82. (p) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1998, 39, 1481. (q) Varma, R.S.; Saini, R.K. and Dahiya, R. J. Chem. Res. (S) 1998, 120. (r) Varma, R.S. and Naicker, K.P. Molecules Online 1998, 2, 94. For reduction reactions see: (s) Varma, R.S. and Saini, R.K. Tetrahedron Lett. 1997, 38, 4337. (t) Varma, R.S. and Dahiya, R. Tetrahedron 1998, 54, 6293.
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