Novel synthesis of the pyrrolizidine skeleton by sulfenocycloamination. Total synthesis of (.+-.)-retronecine and (.+-.)-turneforcidine
T Ohsawa, M Ihara, K Fukumoto…
Index: Journal of Organic Chemistry, , vol. 48, # 21 p. 3644 - 3648
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Citation Number: 41
Abstract
... Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980, Japan Tetsuji Kametani* Institute of Medicinal Chemistry, Hoshi University, Ebara 2-4-41, Shinagawa-ku, Tokyo 142, Japan Received January 18, I983 ... Scheme IIa F' J. Org. Chem., Vol. 48, No. 21, 1983 3645 ...
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