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Title: Determining ring-F configuration in spirostane-type steroidal sapogenins by 1H NMR
Authors: Agrawal, Pawan K
Issue Date: May-2005
Publisher: CSIR
Series/Report no.: Int.Cl.7 C 07 J
Abstract: A comparison of 1H NMR chemical shifts for 25R and 25S spirostane-type steroidal sapogenins and saponins suggest that orientation of 27-Me group has quite a different influence on chemical shifts of the methylene protons occupying -and -positions, thus providing valuable information about the establishment 25R-and 25S-stereochemistry in these compounds.
Description: 1092-1094
ISSN: 0975-0983(Online); 0376-4699(Print)
Appears in Collections:IJC-B Vol.44B(05) [May 2005]

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