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A novel annulation method for the synthesis of some nitrogen-containing heterocycles: The synthesis of (±)-heliotridane and (±)-nuphar indolizidine

Authors
Journal
Tetrahedron Letters
0040-4039
Publisher
Elsevier
Publication Date
Volume
24
Issue
39
Identifiers
DOI: 10.1016/s0040-4039(00)88313-6

Abstract

Abstract The synthesis of the nuclei of pyrrolizidine and indolizidine could be readily achieved by use of the one pot reaction named as “crisscross annulation”, which was extended to the synthesis of (±)-heliotridane ( 16 ) and (±)-nuphar indolizidine ( 20 ), a minor component of dried scent glands of the Canadian beaver.

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