A convenient and general synthesis of 1, 2??dimethylenecycloalkanes

JW Van Straten, JJ Van Norden…

Index: van Straten,J.W. et al. Recueil des Travaux Chimiques des Pays-Bas, 1978 , vol. 97, p. 105 - 106

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Citation Number: 20

Abstract

Abstract Cycloalkanones can be converted to the corresponding 1, 2- dimethylenecycloalkanes (1), in 10-50% overall yield by a four-step sequence involving Mannich condensation, Wittig reaction and Hofmann degradation. The conformation of 1 is briefly discussed.

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[Block,E.; Aslam,M.; Eswarakrishnan,V. Journal of the American Chemical Society, 1986 , vol. 108, p. 4568]

(2-vinylcyclopropyl) carbenes. More stepwise mechanisms for ...

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. alpha.-Haloalkanesulfonyl bromides in organic synthesis. 5...

[Block,E.; Aslam,M.; Eswarakrishnan,V. Journal of the American Chemical Society, 1986 , vol. 108, p. 4568]

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