Chemistry of Natural Compounds p. 532 - 535 (1986)
Update date:2022-07-31
Topics:
Ovezdurdyev, A.
Abdullaev, N. D.
Kasymov, Sh. Z.
Akyev, B.
The epigeal part of Erigeon khorassanicus Boiss. has yielded a new sesquiterpene lactone of the pseudoguaiane type - ergolide C17H22O5, mp 179-180 deg C (ethanol) <α>D20 +123 deg (c 4.88; ethanol).On the basis of chemical transformations and spectral chracteristics, its structure and configuration have been established as 6-acetoxy-4-oxo-1,7αH,6,8,10βH-pseudoguai-11(13)-en-8,12-olide.
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