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Volumn 63, Issue 2, 1998, Pages 314-318

Lewis Acid-Promoted Reactions of N1,N4-Dibenzoyl-1,4-benzoquinone Diimines with (E)-Propenylbenzenes: An Unexpected Reaction

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EID: 1542629739     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo971551j     Document Type: Article
Times cited : (2)

References (34)
  • 14
    • 0028032445 scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1994) J. Org. Chem. , vol.59 , pp. 6567-6587
    • Engler, T.A.1    Combrink, K.D.2    Letavic, M.A.3    Lynch Jr., K.O.4    Ray, J.E.5
  • 15
    • 0027946076 scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1994) J. Org. Chem. , vol.59 , pp. 6588-6599
    • Engler, T.A.1    Wei, D.2    Letavic, M.A.3    Combrink, K.D.4    Reddy, J.P.5
  • 16
    • 0025347374 scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1990) J. Org. Chem. , vol.55 , pp. 1248-1254
    • Engler, T.A.1    Reddy, J.P.2    Combrink, K.D.3    Vander Velde, D.4
  • 17
    • 0029060666 scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1995) J. Org. Chem. , vol.60 , pp. 3700-3706
    • Engler, T.A.1    Gfesser, G.A.2    Draney, B.W.3
  • 18
    • 0030599260 scopus 로고    scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O. J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1996) Tetrahedron Lett. , vol.37 , pp. 6969-6970
    • Engler, T.A.1    Chai, W.2
  • 19
    • 0030477506 scopus 로고    scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1996) J. Org. Chem , vol.61 , pp. 9297-9308
    • Engler, T.A.1    Chai, W.2    LaTessa, K.O.3
  • 20
    • 0030048253 scopus 로고    scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1996) Tetrahedron Lett. , vol.37 , pp. 327-330
    • Engler, T.A.1    Agrios, K.2    Reddy, J.P.3    Iyengar, R.4
  • 21
    • 0030599679 scopus 로고    scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1996) Tetrahedron Lett. , vol.37 , pp. 9397-19340
    • Murphy, W.S.1    Neville, D.2
  • 22
    • 0030586094 scopus 로고    scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1996) Tetrahedron Lett. , vol.37 , pp. 5221-5224
    • Neville, D.1    Murphy, W.S.2
  • 23
    • 0028032445 scopus 로고
    • Lewis acid-promoted reactions of quinones and imide derivatives with dienes, styrenes, and alkenes have been found to give products of 4 + 2, 5 + 2, 2 + 2, and 3 + 2 cycloaddition, as well as simple alkylation. For examples and leading references, see refs 1 and 2 and: (a) Engler, T. A.; Combrink, K. D.; Letavic, M. A.; Lynch, K. O., Jr.; Ray, J. E. J. Org. Chem. 1994, 59, 6567-6587. (b) Engler, T. A.; Wei, D.; Letavic, M. A.; Combrink, K. D.; Reddy, J. P. J. Org. Chem. 1994, 59, 6588-6599. (c) Engler, T. A.; Reddy, J. P.; Combrink, K. D.; Vander Velde, D. J. Org. Chem. 1990, 55, 1248-1254. (d) Engler, T. A.; Gfesser, G. A.; Draney, B. W. J. Org. Chem. 1995, 60, 3700-06. (e) Engler, T. A.; Chai, W. Tetrahedron Lett. 1996, 37, 6969-6970. (f) Engler, T. A.; Chai, W.; LaTessa, K. O J. Org. Chem. 1996, 61, 9297-9308. (g) Engler, T. A.; Agrios, K.; Reddy, J. P.; Iyengar, R. Tetrahedron Lett. 1996, 37, 327-330. (h) Murphy, W. S.; Neville, D. Tetrahedron Lett. 1996, 37, 9397-9340. Neville, D.; Murphy, W. S. Tetrahedron Lett. 1996, 37, 5221-5224. (j) Adams, R.; Reifschneider, W. Bull. Soc. Chim. Fr. 1958, 1, 23-65 and references therein.
    • (1958) Bull. Soc. Chim. Fr. , vol.1 , pp. 23-65
    • Adams, R.1    Reifschneider, W.2
  • 24
    • 85085781691 scopus 로고    scopus 로고
    • note
    • 2O traps cationic intermediate 11. This made it difficult to judge when reactions were complete.
  • 25
    • 1542461302 scopus 로고    scopus 로고
    • note
    • (b) Many crude reaction mixtures contained unreacted propenylbenzene and reduced diimine and were thus routinely subjected to flash chromatography as part of the workup. All fractions were carefully examined for the presence of other stereoisomeric products, to no avail.
  • 26
    • 1542670698 scopus 로고    scopus 로고
    • The X-ray data for this structure have been deposited with the Cambridge Crystallographic Data Centre. The coordinates can be obtained, on request, from the Director, Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, U.K.
    • The X-ray data for this structure have been deposited with the Cambridge Crystallographic Data Centre. The coordinates can be obtained, on request, from the Director, Cambridge Crystallographic Data Centre, 12 Union Road, Cambridge CB2 1EZ, U.K.
  • 28
    • 1542461300 scopus 로고
    • Patai, S., Rappaport, Z., Eds.; Wiley: Chichester, Part 2, Chapter 21
    • Nucleophilic attack on nitrogen in unsubstituted benzoquinone diimines has been observed (Brown, E. R. In The Chemistry of the Quinonoid Compounds; Patai, S., Rappaport, Z., Eds.; Wiley: Chichester, 1988; Vol. 2, Part 2, Chapter 21), but this type of reactivity is rare for reactions of N-sulfonyl- or N-benzoylbenzoquinone diimines. Adams reported such products in reactions of aniline with N,N-dibenzoyl-1,4-benzoquinone diimine (Adams, R.; Werbel, L. J. Org. Chem. 1957, 22, 1287-1291) and N,N-bis(phenylsulfonyl)-2,3,5,6-tetrachloro-1,4-benzoquinone diimine (Adams, R.; Braun, B. J. Am. Chem. Soc. 1952, 74, 5869-5871). Contradicting Adams' structural assignment of the products of addition of phenols to N,N-bis(phenylsulfonyl)benzoquinone diimines (Adams, R.; Blomstrom, D. J. Am. Chem. Soc. 1953, 75, 3405-3408), Nishiyama suggested that bond formation occurred at nitrogen rather than carbon (Nishiyama, Y.; Ikagami, Y.; Seto, S. Bull. Chem. Soc. Jpn. 1965, 38, 72-76). For a summary of Adams' work in this area, see ref 3j.
    • (1988) The Chemistry of the Quinonoid Compounds , vol.2
    • Brown, E.R.1
  • 29
    • 0002392209 scopus 로고
    • Nucleophilic attack on nitrogen in unsubstituted benzoquinone diimines has been observed (Brown, E. R. In The Chemistry of the Quinonoid Compounds; Patai, S., Rappaport, Z., Eds.; Wiley: Chichester, 1988; Vol. 2, Part 2, Chapter 21), but this type of reactivity is rare for reactions of N-sulfonyl- or N-benzoylbenzoquinone diimines. Adams reported such products in reactions of aniline with N,N-dibenzoyl-1,4-benzoquinone diimine (Adams, R.; Werbel, L. J. Org. Chem. 1957, 22, 1287-1291) and N,N-bis(phenylsulfonyl)-2,3,5,6-tetrachloro-1,4-benzoquinone diimine (Adams, R.; Braun, B. J. Am. Chem. Soc. 1952, 74, 5869-5871). Contradicting Adams' structural assignment of the products of addition of phenols to N,N-bis(phenylsulfonyl)benzoquinone diimines (Adams, R.; Blomstrom, D. J. Am. Chem. Soc. 1953, 75, 3405-3408), Nishiyama suggested that bond formation occurred at nitrogen rather than carbon (Nishiyama, Y.; Ikagami, Y.; Seto, S. Bull. Chem. Soc. Jpn. 1965, 38, 72-76). For a summary of Adams' work in this area, see ref 3j.
    • (1957) J. Org. Chem. , vol.22 , pp. 1287-1291
    • Adams, R.1    Werbel, L.2
  • 30
    • 0002597605 scopus 로고
    • Nucleophilic attack on nitrogen in unsubstituted benzoquinone diimines has been observed (Brown, E. R. In The Chemistry of the Quinonoid Compounds; Patai, S., Rappaport, Z., Eds.; Wiley: Chichester, 1988; Vol. 2, Part 2, Chapter 21), but this type of reactivity is rare for reactions of N-sulfonyl- or N-benzoylbenzoquinone diimines. Adams reported such products in reactions of aniline with N,N-dibenzoyl-1,4-benzoquinone diimine (Adams, R.; Werbel, L. J. Org. Chem. 1957, 22, 1287-1291) and N,N-bis(phenylsulfonyl)-2,3,5,6-tetrachloro-1,4-benzoquinone diimine (Adams, R.; Braun, B. J. Am. Chem. Soc. 1952, 74, 5869-5871). Contradicting Adams' structural assignment of the products of addition of phenols to N,N-bis(phenylsulfonyl)benzoquinone diimines (Adams, R.; Blomstrom, D. J. Am. Chem. Soc. 1953, 75, 3405-3408), Nishiyama suggested that bond formation occurred at nitrogen rather than carbon (Nishiyama, Y.; Ikagami, Y.; Seto, S. Bull. Chem. Soc. Jpn. 1965, 38, 72-76). For a summary of Adams' work in this area, see ref 3j.
    • (1952) J. Am. Chem. Soc. , vol.74 , pp. 5869-5871
    • Adams, R.1    Braun, B.2
  • 31
    • 33947456795 scopus 로고
    • Nucleophilic attack on nitrogen in unsubstituted benzoquinone diimines has been observed (Brown, E. R. In The Chemistry of the Quinonoid Compounds; Patai, S., Rappaport, Z., Eds.; Wiley: Chichester, 1988; Vol. 2, Part 2, Chapter 21), but this type of reactivity is rare for reactions of N-sulfonyl- or N-benzoylbenzoquinone diimines. Adams reported such products in reactions of aniline with N,N-dibenzoyl-1,4-benzoquinone diimine (Adams, R.; Werbel, L. J. Org. Chem. 1957, 22, 1287-1291) and N,N-bis(phenylsulfonyl)-2,3,5,6-tetrachloro-1,4-benzoquinone diimine (Adams, R.; Braun, B. J. Am. Chem. Soc. 1952, 74, 5869-5871). Contradicting Adams' structural assignment of the products of addition of phenols to N,N-bis(phenylsulfonyl)benzoquinone diimines (Adams, R.; Blomstrom, D. J. Am. Chem. Soc. 1953, 75, 3405-3408), Nishiyama suggested that bond formation occurred at nitrogen rather than carbon (Nishiyama, Y.; Ikagami, Y.; Seto, S. Bull. Chem. Soc. Jpn. 1965, 38, 72-76). For a summary of Adams' work in this area, see ref 3j.
    • (1953) J. Am. Chem. Soc. , vol.75 , pp. 3405-3408
    • Adams, R.1    Blomstrom, D.2
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    • Nucleophilic attack on nitrogen in unsubstituted benzoquinone diimines has been observed (Brown, E. R. In The Chemistry of the Quinonoid Compounds; Patai, S., Rappaport, Z., Eds.; Wiley: Chichester, 1988; Vol. 2, Part 2, Chapter 21), but this type of reactivity is rare for reactions of N-sulfonyl- or N-benzoylbenzoquinone diimines. Adams reported such products in reactions of aniline with N,N-dibenzoyl-1,4-benzoquinone diimine (Adams, R.; Werbel, L. J. Org. Chem. 1957, 22, 1287-1291) and N,N-bis(phenylsulfonyl)-2,3,5,6-tetrachloro-1,4-benzoquinone diimine (Adams, R.; Braun, B. J. Am. Chem. Soc. 1952, 74, 5869-5871). Contradicting Adams' structural assignment of the products of addition of phenols to N,N-bis(phenylsulfonyl)benzoquinone diimines (Adams, R.; Blomstrom, D. J. Am. Chem. Soc. 1953, 75, 3405-3408), Nishiyama suggested that bond formation occurred at nitrogen rather than carbon (Nishiyama, Y.; Ikagami, Y.; Seto, S. Bull. Chem. Soc. Jpn. 1965, 38, 72-76). For a summary of Adams' work in this area, see ref 3j.
    • (1965) Bull. Chem. Soc. Jpn. , vol.38 , pp. 72-76
    • Nishiyama, Y.1    Ikagami, Y.2    Seto, S.3
  • 34
    • 1542461291 scopus 로고
    • Adams has reported 4a as an unstable oil (Adams, R.; Neumiller, H., Jr. J. Am. Chem. Soc. 1957, 79, 3808-3812). In our hands, 4a is obtained as a yellow solid, stable for weeks open to the atmosphere at rt. Experimental procedures for the preparation of 4a are included in the Supporting Information.
    • (1957) J. Am. Chem. Soc. , vol.79 , pp. 3808-3812
    • Adams, R.1    Neumiller Jr., H.2


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