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Diterpenoids from Calceolaria alba.

作者信息

Chamy M C, Piovano M, Garbarino J A

机构信息

Departament of Chemistry, Universidad Técnica Federico Santa María, Casilla 110-V, Valparaíso, Chile.

出版信息

Nat Prod Res. 2007 Feb;21(2):141-8. doi: 10.1080/14786410500262359.

Abstract

Chemical examination of the petrol ether (60-80) extract of the aerial parts of Calceolaria alba R. et Pav., collected in Santa Juana, VIII Region, Chile, resulted in the isolation of 3 new diterpenoids. Their structures have been elucidated by a study of their physical and spectral data; in particular using 2 NMR spectroscopy (DEPT, 1H-1H, COSY, NOESY, HMQC and HMBC).

摘要

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