Journal of the Chemical Society. Chemical communications p. 28 - 29 (1984)
Update date:2022-09-26
Topics:
Bernhard, Werner
Fleming, Ian
Waterson, David
The methylation of open-chain enolates having an adjacent silyl group is highly diastereoselective in favour of the isomer (2) having the silyl and methyl groups trans on the carbon chain; protonation of the corresponding enolate, already carrying the methyl group, gives the other diastereoisomer (3), but with somewhat lower diastereoselectivity.
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