Tetrahedron Letters p. 5295 - 5298 (1982)
Update date:2022-08-05
Topics:
Al-Hakim, Ali H.
Haines, Alan H.
Reaction of mucochloric and mucobromic acid with (ethoxycarbonylmethylene)triphenylphosphorane affords the ethyl ester of (2E,4Z)-4,5-dichloro- and (2E,4Z)-4,5-dibromo-2,4-pentadienoic acid respectively; in the latter case ethyl (2E)-5-bromo-2-penten-4-ynoate is formed concomittantly.
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(2012)Doi:10.1021/jo047741t
(2005)Doi:10.1021/acs.orglett.5b03112
(2016)Doi:10.1039/b503758a
(2005)Doi:10.1002/jhet.121
(2009)Doi:10.1021/ja01238a001
(1944)
