Journal of Organometallic Chemistry p. 289 - 294 (1988)
Update date:2022-08-05
Topics:
Verkruijsse, H. D.
Heus-Kloos, Y. A.
Brandsma, I.
A number of acetylenic ketones RC<*>CC(=O)R' have been obtained in good yields from lithiated acetylenes RC<*>CLi and acetic anhydride, N,N-dimethylacetamide, or N,N-dimethylbenzamide.The most convenient and general method consists of treating alkynylzinc chlorides with acid halides R'C(=O)Cl.Benzoyl chloride (R'=Ph), acryloyl chloride (R'=CH2=CH) and butynoyl chloride (R'=C2H5C<*>C) react only in the presence of a catalytic amount of Pd
4.
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