Synlett p. 126 - 128 (1997)
Update date:2022-08-05
Topics:
Moorhoff, Cornelis M.
Condensations of methyl 4-(triphenylarsoranylidene)-2-butenoate 1a and conjugated carbonyl compounds give 1,3-cyclohexadiene-1-carboxylates and/or acyclic trienes in superior yields compared to the condensations with the phosphonium analogue 1b. However, the reaction of 1a and ethyl 2-cyano-5-methyl-2,4-hexadienoate 7 gave a mixture of two diastereomeric trans-bisvinylcyclopropanecarboxylates 9.
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