DEPENDENCE OF THE H-1-NMR CHEMICAL-SHIFTS OF RING-F RESONANCES ON THEORIENTATION OF THE 27-METHYL GROUP OF SPIROSTANE-TYPE STEROIDAL SAPOGENINS

Authors
AGRAWAL PK BUNSAWANSONG P MORRIS GA
Citation
Pk. Agrawal et al., DEPENDENCE OF THE H-1-NMR CHEMICAL-SHIFTS OF RING-F RESONANCES ON THEORIENTATION OF THE 27-METHYL GROUP OF SPIROSTANE-TYPE STEROIDAL SAPOGENINS, Phytochemistry, 47(2), 1998, pp. 255-257
Citations number
25
Categorie Soggetti
Biology,"Plant Sciences
Journal title
Phytochemistry → ACNP
ISSN journal
00319422
Volume
47
Issue
2
Year of publication
1998
Pages
255 - 257
Database
ISI
SICI code
0031-9422(1998)47:2<255:DOTHCO>2.0.ZU;2-0
Abstract
A relationship between the H-1 NMR chemical shifts of the ring F reson ances and orientation of the H-3-27 group has been derived for the est ablishment of 25R- and 25S-stereochemistry in spirostane type of stero idal sapogenins. (C) 1997 Elsevier Science Ltd.