Cobalt-Catalyzed Allylzincations of Internal Alkynes
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Cobalt salts such as cobalt(II) chloride catalyze allylzincation reactions of 1-aryl-1-alkynes. The allylzincations proceed in a <I>syn</I> fashion to form 2-allyl-1-aryl-1-alkenylzinc species. Other internal alkynes such as 6-dodecyne or 2-nonyn-1-ol are much less reactive than 1-aryl-1-alkynes.
- Bull. Chem. Soc. Jpn.
Bull. Chem. Soc. Jpn. 79(8), 1271-1274, 2006-08-15
The Chemical Society of Japan