Stereocontrol in intermolecular nucleophilic addition to N-acyliminium ion directed by a bicyclo[2.2.1]heptene or 7-oxabicyclo[2.2.1]heptene group. A novel route to 5-substituted 3-pyrrolin-2-ones of high optical purity

DOI: 10.1248/cpb.40.1670

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Chemical and Pharmaceutical Bulletin p. 1670 - 1672 (1992)

Update date:2022-08-05

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Authors:

Arai Arai

Fujii Fujii

Ohno Ohno

Koizumi Koizumi

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Article abstract of DOI:10.1248/cpb.40.1670

Intermolecular nucleophilic additions to the conformationally rigid, tricyclic pyrrolidinium ion (derived from 2 or 6) took place exclusively from the less-hindered face fused with its bicyclo[2.2.1]heptene or 7-oxobicyclo-[2.2.1]heptene moiety. Retro-Die

Full text of DOI:10.1248/cpb.40.1670

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