Bulletin of the Chemical Society of Japan

The Michael Reactions of Chloro-substituted-9, 9′-bifluorenylidenes with Fluorenes and a Comparison with Analogous Halogen Compounds

M Minabe, K Suzuki

文献索引：Minabe,M.; Suzuki,K. Bulletin of the Chemical Society of Japan, 1975 , vol. 48, p. 586 - 590

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被引用次数: 7

摘要

The Michael reactions of 2-chloro-and 2, 7-dichloro-9, 9′-bifluorenylidenes with fluorenes were investigated. Structures of these products were confirmed by syntheses through the well-established reactions of 9-lithiofluorenes and 9-bromo-9, 9′-bifluorenyls. The formation of some abnormal compounds is explained by intermediary formation of 2, 7- dichloro-9, 9′-bifluorenylidene from the reaction of 9, 9′-bifluorenylidene with 2, 7- ...