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Paper | Regular issue | Vol 43, No. 3, 1996, pp.625-631
Published online, 1st January, 1970
DOI: 10.3987/COM-95-7339
Ring Cleavage Reaction of Heterocyclic Ketones Based on Crossed Aldol Condensation

Hiroshi Suemune,* Jun Uchida, and Kiyoshi Sakai

*Faculty of Pharmaceutical Sciences, Kyushu University, Fukuoka 812-82, Japan

Abstract

Ring cleavage reaction based on crossed aldol condensation using heterocyclic ketones such as 4-piperidone and nortropinone derivatives with benzaldehyde under acetalization conditions (BF3·Et2O/ethylene glycol) has been achieved.