Silicon directed N-acyliminium ion cyclizations. Highly selective syntheses of (.+-.)-isoretronecanol and (.+-.)-epilupinine

…, MHAM Sno, RJ Vijn, WN Speckamp

Index: Hiemstra, Henk; Sno, Michiel H. A. M.; Vijn, Robert J.; Speckamp, W. Nico Journal of Organic Chemistry, 1985 , vol. 50, # 21 p. 4014 - 4020

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Citation Number: 107

Abstract

Awardee. HN wishes to thank the Humboldt Foundation for a postdoctoral fellowship and the Fulbright-Kommis- sion for a travel grant. Use of the high-field NMR spec- trometer used in these studies was made possible through a NSF equipment grant. Registry No. 3, 87813-07-8; 5, 78394-12-4; 6, 18159-18-7; 7, 97998-39-5; 9, 97998-53-3; 10, 93102-03-5; 11, 87813-01-2; 12, 87813-03-4; 15, 97998-43-1; 16, 97998-44-2; 17, 87281-49-0; 18, 87281-50-3; 20, ...