Author:
Lowry JB,McAlpine JB,Riggs NV
Abstract
The absolute
stereochemistry of piptoside and dihydropiptosidin has been determined at C5,
C6 and C7 by comparison of dihydropiptosidin and leucodrin by means of
molecular-rotation changes and p.m.r. spectroscopy,
and by application of Horeau's method. Examination of
p.m.r. parameters of some piptoside derivatives
allows a tentative formulation at C4 and, together with previous results,
allows the absolute stereochemistry of piptoside to be written as
2S,3S,4S,5S,6R,7S.
Cited by
12 articles.
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