Tetrahedron Letters p. 4999 - 5002 (1989)
Update date:2022-08-03
Topics:
Takahashi, Takashi
Shimizu, Katsuya
Doi, Takayuki
Tsuji, Jiro
Yamamoto, Keiji
Simple synthesis of (+/-)-estrone methyl ether by the conjugate addition-enolate methylation of the 2-alkylcyclopentenone followed by the intramolecular Diels-Alder reaction of the o-quinodimethane, and discussions for the diastereoselectivity in the enolate-methylation based on the MM2 transition structure model are presented.
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