A series of sesquiterpenes with a 7α-isopropyl side chain and related compounds isolated from Curcuma wenyujin

DOI: 10.1248/cpb.39.843

Source and publish data:

Chemical and Pharmaceutical Bulletin p. 843 - 853 (1991)

Update date:2022-09-26

Topics:

Authors:

Harimaya

Gao Gao

Ohkura Ohkura

Kawamata

Iitaka Iitaka

Guo Guo

Inayama Inayama

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Article abstract of DOI:10.1248/cpb.39.843

Sesquiterpenoids possessing a 7α-isopropyl group, such as curcumol (1a), curdione (2a), curcumalactone (3), and a new epoxy germacrane, (1R,10R)-epoxy-(-)-1,10-dihydrocurdione (5a), were isolated from the essential oil of Curcuma wenyujin. Other related new sesquiterpenes, neocurdione (4) and (1S,10S),(4S,5S)-germacrone-1(10),4-diepoxide (6) were also isolated from this plant. The stereostructures and absolute configurations of these sesquiterpenes were established on the basis of spectroscopic and chemical data as well as X-ray crystallographic analyses.

Full text of DOI:10.1248/cpb.39.843

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