Precursors and synthesis of methyl-9-oxo-11.alpha., 16-dihydroxy

Details Precursors and synthesis of methyl-9-oxo-11.alpha., 16-dihydroxy Precursors and synthesis of methyl-9-oxo-11.alpha., 16-dihydroxy

1988-04-25

1990-09-18

Gerstl, Robert

Organic compounds -- part of the class 532-570 series

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549478, 549492, 549497, 549501, 549502, C07D30732, C07D30742, C07D30754

Patent

active

049580370

ABSTRACT:
Novel precursors for the synthesis of methyl-9-oxo-11.alpha.,16-dihydroxy-16-vinyl-5-cis-13-trans prostadienoates having the formulae ##STR1## wherein R.sub.1 is H or C.sub.1 -C.sub.4 alkyl; R.sub.2 is C.sub.1 -C.sub.4 alkyl, R.sub.3 is H, C.sub.1 -C.sub.4 trialkylsilyl or C.sub.1 -C.sub.6 alkyl; X.sub.1 is halogen, cyano, C.sub.1 -C.sub.4 alkoxycarbonyl, carboxy or tri (C.sub.1 -C.sub.4 alkoxy)methyl; n is 2-4 inclusive; and P.sub.1 is H or a blocking or protective group; congeners and racemic mixture of these compounds and processes of synthesizing them.

REFERENCES:
patent: 4076732 (1978-02-01), Floyd

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