Bulletin of the Chemical Society of Japan p. 1441 - 1448 (1987)
Update date:2022-07-29
Topics:
Kawauchi, Nobuya
Hashimoto, Hironobu
In the reaction of two 2-O-acetyl-3-enohexopyranosides and four 4-O-acetyl-2-enohexopyranosides including 2-C-methyl and 4-C methyl derivatives, respectively, with lithium dimethylcuprate(I), anti SN2' substitution was proved to be preferential, giving the corresponding C-methylated derivatives.On the other hand, SN2 substitution occurred in the reaction of the 2-enopyranoside without methyl branch and D-glucal triacetate
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