Journal of the Chemical Society. Perkin transactions I p. 547 - 552 (1981)
Update date:2022-07-29
Topics:
Colonna, Stefano
Re, Alberto
Wynberg, Hans
Asymmetric induction in the Michael reaction has been achieved using alkaloidonium salts in a two-phase system with optical yields of up to 36 and 26percent in the addition to αβ-unsaturated ketones of thiols and nitroalkanes respectively.The presence of a hydroxy-group β to the 'onium function is essential to achieve substantial asymmetric syntheses.
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