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

✍ Scribed by Takeshi Ohnuma; Masayasu Tabe; Keiko Shiiya; Yoshio Ban; Tadamasa Date

Publisher
Elsevier Science
Year
1983
Tongue
French
Weight
260 KB
Volume
24
Category
Article
ISSN
0040-4039

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✦ Synopsis

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 (f)-heliotridane( l6) and (?)-nuphar indolizidine(%), a minor component of dried scent glands of the Canadian beaver.

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