Tetrahedron Letters p. 8575 - 8578 (1999)
Update date:2022-08-29
Topics:
Michel, Patrick
Gennet, Dominique
Rassat, Andre
Alkynes R-C≡CH were obtained in good yield through a one-pot procedure by a sequence of reactions starting from a Wittig-type condensation of the aldehydes RCHO with the ylide derived from dibromomethyltriphenylphosphonium bromide 5. The same reactions could also be used to prepare the intermediate dibromoalkenes RCH=CBr2, and in certain cases, the bromoalkynes R-C≡CBr.
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