Tetrahedron Letters p. 5377 - 5380 (1996)
Update date:2022-08-03
Topics:
Inoue, Rie
Shinokubo, Hiroshi
Oshima, Koichiro
Treatment of gem-dibromocyclopropanes with trialkylmanganate, derived from manganese(II) chloride and three equivalents of Grignard reagent or alkyllithium, followed by an addition of electrophiles provided dialkylated cyclopropanes in good yields. It was found the reaction with alkylmagnesium halide proceeded in the presence of a catalytic amount of manganese(II) chloride.
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