20937-57-9Relevant articles and documents
Reactions of unsaturated compounds. CXXXVI. Chemoselectivity in the addition of 4-methyl-4-penten-2-ynylzinc bromide and 4-methyl-4-penten-2-ynylmagnesium bromide to carbonyl compounds
Khrimyan, A. P.,Makaryan, G. M.,Badanyan, Sh. O.
, p. 81 - 85 (2007/10/02)
The addition of organozinc and organomagnesium compounds obtained from 5-bromo-2-methyl-1-penten-3-yne to carbonyl compounds is accompanied by a partial propargyl rearrangement, which is observed to the greatest extent in the case of a "hard" base (Grigna