Efficient synthesis of 16-28 membered macrocyclic crown amides via ring closing metathesis

Tetrahedron

Volumn 59, Issue 37, 2003, Pages 7273-7282

  Ibrahim, Yehia A ^a   Behbehani, Haider ^a   Ibrahim, Maher R ^a   Malhas, Rana N ^a  

^a KUWAIT UNIVERSITY   (Kuwait)

Author keywords

1, dienes; Bis N allyl o oxybenzamides; Bis o allyloxyanilides; Bis o allyloxybenzamides; Pentabenzodiazapolyoxa cycloalkenediones; Ring closing metathesis; Tetrabenzodiazapolyoxacycloalkenediones

Indexed keywords

ALKADIENE; AMIDE; MACROCYCLIC COMPOUND;

ARTICLE; CARBON NUCLEAR MAGNETIC RESONANCE; CATALYST; HIGH PERFORMANCE LIQUID CHROMATOGRAPHY; PRIORITY JOURNAL; PROTON NUCLEAR MAGNETIC RESONANCE; RING CLOSING METATHESIS; SYNTHESIS; TANDEM MASS SPECTROMETRY; THIN LAYER CHROMATOGRAPHY;

EID: 0042383061     PISSN: 00404020     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4020(03)01174-8     Document Type: Article

References (59)

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10. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
11. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
12. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
13. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
14. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
15. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
16. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
17. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
18. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
19. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
20. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
21. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
22. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
23. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
24. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
25. (a) Ibrahim Y.A., Elwahy A.H.M. Synthesis. 1993;503-508 (b) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (S). 252:1993; (c) Ibrahim Y.A., Elwahy A.H.M. J. Chem. Res. (M). 1993;1684-1695 (d) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (S). 1994;414-415 (e) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. J. Chem. Res. (M). 1994;2321-2331 (f) Ibrahim Y.A., Elwahy A.H.M., Elkareish G.M.M. Heteroat. Chem. 6:1995;183-187 (g) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (S). 1999;522-523 (h) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A., Kassab R.M. J. Chem. Res. (M). 1999;2201-2217 (i) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (S). 1998;548-549 (j) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. J. Chem. Res. (M). 1998;2501-2531 (k) Ibrahim Y.A., Elwahy A.H.M., Abbas A.A. Tetrahedron. 50:1994;11489-11498 (l) Ibrahim Y.A., Elwahy A.H.M., Barsoum B.N., Abbas A.A., Khella S.K. Talanta. 47:1998;1199-1213 (m) Barsoum B.N., Khella S.K., Elwahy A.H.M., Abbas A.A., Ibrahim Y.A. Talanta. 47:1998;1215-1222 (n) Ibrahim Y.A., Barsoum B.N., Elwahy A.H.M., Khella S.K. Supramol. Chem. 9:1998;5-12 (o) Attiyat A.S., Kadry A.M., Hanna H.R., Ibrahim Y.A., Christian G.D. Anal. Sci. 6:1990;233-237. and references cited therein (p) Attiyat A.S., Ibrahim Y.A., Kadry A.M., Xie R.Y., Christian G.D.Z. Anal. Chem. 329:1987;12-17. and references cited therein (q) Sharghi H., Eshghi H. Tetrahedron Lett. 51:1995;913-922. and references cited therein.
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