ISOLATION AND X-RAY STRUCTURE OF A NEW 3,6-DIKETO STEROID FROM RED ALGA HYPNEA-MUSCIFORMIS

Authors
GOSAVI K BABU JM MATHUR HH BHADBHADE M
Citation
K. Gosavi et al., ISOLATION AND X-RAY STRUCTURE OF A NEW 3,6-DIKETO STEROID FROM RED ALGA HYPNEA-MUSCIFORMIS, Chemistry Letters, (7), 1995, pp. 519-520
Citations number
12
Categorie Soggetti
Chemistry
Journal title
Chemistry Letters → ACNP
ISSN journal
03667022
Issue
7
Year of publication
1995
Pages
519 - 520
Database
ISI
SICI code
0366-7022(1995):7<519:IAXSOA>2.0.ZU;2-4
Abstract
The structure of a 3,6-diketo steroid, isolated from red alga Hypnea m usciformis is the first of this class to be confirmed by X-ray analysi s. Ring junctions A/B, B/C and CID are all trans;the configuration of angular methyl groups at C(10), C(13) and the cholesterol-like side ch ain with a double bond C22=C23 emanating from C(17) have been settled as beta-axial.