Journal of the American Chemical Society p. 1239 - 1244 (1986)
Update date:2022-09-26
Topics:
Posner, Gary H.
Switzer, Christopher
Methoxytetralone enolate ion 1b underwent an asymmetric Michael addition to enantiomerically pure cyclopentenone sulfoxide (S)-(+)-2 with a diastereoslectivity of 91-94percent.A series of eight additional steps led to (+)-estrone methyl ether (11) in over
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