Abstract
The synthesis of a silyl-protected derivative of 3-hydroxyvibsanin
E has been achieved. The key step is a regio- and stereoselective
C-H hydroxylation of an advanced tricyclic intermediate
by means of a Rubottom oxidation.
Key words
hydroxyvibsanin E - C-H hydroxylation - Rubottom oxidation
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20 Crystallographic data for structures 24 , 26 , and 27 have been deposited with the Cambridge
Crystallographic Data Centre (CCDC 737635-737637) and may
be obtained free of charge via http://www.ccdc.cam.ac.uk/conts/retrieving.html,
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