Tetrahedron Letters p. 1085 - 1088 (1988)
Update date:2022-08-05
Topics:
Haaima, Gerald
Weavers, Rex T.
Propiolic acids add to alkenes in the presence of N-iodosuccinimide to give iodo acetylenic esters.These, on treatment with dibenzoyl peroxide, undergo cyclisation to yield (E)-iodovinylidene butyrolactones.Subsequent alkylation with lithium dimethylcuprate occurs by replacement of the iodine.
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(2009)Doi:10.1021/jacs.9b01908
(2019)Doi:10.1039/c9cy02025j
(2019)Doi:10.1248/cpb.11.1484
(1963)
