A novel method for the synthesis of specifically substituted cycloheptatrienes
- 1 January 1975
- journal article
- research article
- Published by Wiley in Recueil des Travaux Chimiques des Pays-Bas
- Vol. 94 (4) , 85-88
- https://doi.org/10.1002/recl.19750940405
Abstract
A novel method has been developed for the synthesis of substituted cycloheptatrienes, involving the cycloaddition of substituted cyclopropenes to substituted thiophene 1,1‐dioxides followed by expulsion of sulfur dioxide from the cycloadduct. The scope and limitations of the reaction have been investigated and its mechanism is discussed. Attempts to extend this reaction principle to the synthesis of 1‐heterocycloheptatrienes were unsuccessful.Keywords
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