A novel photochemical cyclisation of 4-chloro-3-(N-aryliminomethyl)(2H) benzopyrans and benzothiopyrans

KS Swaminathan, RS Ganesh, CS Venkatachalam…

文献索引：Swaminathan, K. S.; Ganesh, R. Sai; Venkatachalam, C. S.; Balasubramanian, K. K. Tetrahedron Letters, 1983 , vol. 24, # 34 p. 3653 - 3656

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被引用次数: 16

摘要

... J. Am. Chem. Soc., 95 (1973), p. 3104. f S. Singh, AK Trehan, VK Sharma; Tetrahedron Lett., 50 (1978), p. 5029. ... Liebigs Ann. Chem., 740 (1970), p. 164. b R. Niedlein, H. Heid; Synthesis, 65 (1977). ... KK Balasubramanian, GV Bindumadhavan, M. Nair; The cyclisation of the enaminoimines could give rise to 3 or 2. This aspect has been investigated in detail in the case of the thermal cyclisation of the enaminoimines 4 6a . In all these cases, only 3a-g were formed. ...