857085-93-9Relevant articles and documents
Enynylation of 2-iodo-4-(phenylchalcogenyl)-1-butenes via intramolecular chelation: Approach to the synthesis of conjugated dienynes or trienynes
Shi, Min,Liu, Le-Ping,Tang, Jie
, p. 3085 - 3088 (2007/10/03)
(Chemical Equation Presented) 2-Iodo-4-(phenylchalcogenyl)-1 -butenes 3 and 4, which are derived from methylenecyclopropanes 1, can be enynylated with alkynes catalyzed by Pd(OAc)2 to give conjugated dienynes 5 and 6 in the absence of any phosp