Alkyleisen??und Alkylcobalt??Reagenzien, VII. Über die Substitution des Halogens von Alkenylchloriden, Alkenylfluoriden und Alkinylhalogeniden durch Reagenzien …
Me4FeLiz and Me, CoLi,, which are favourable reagents for ethyne (12), 1-bromo-2- phenylethyne (13), and l-chloro-3-the substitution of Br in alkenyl bromide~[l-~], also proved to phenoxypropyne (15) by methyl (yields 70, 46, and 80%, re-be favourable for the substitution of the halogen in alkenyl spectively). Substitution of the halogen in 12 by the n- butyl, chlorides (yields 68-99%; nearly complete retention of con-n-octyl, and phenyl ...
