Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1990-12-18
1992-01-28
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549458, C07D30793
Patent
active
050845810
ABSTRACT:
Disclosed herein is a novel process in which novel aldehydes ##STR1## and the trans isomer thereof are hydrolyzed by treatment with an alkali metal carbonate, bicarbonate or hydroxide and water to form the cis enantiomer ##STR2## Also disclosed is a process for preparing [1S-[1.alpha., 2.alpha.(Z), 3.alpha., 4.alpha.]]-7-[3[[[[(1-oxoheptyl)amino]acetyl]-amino ]methyl-7-oxabicyclo-[2.2.1]hept-2-yl]-5-heptenoic acid using the above process.
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Kronenthal David
Thottathil John K.
E. R. Squibb & Sons Inc.
Gaul Timothy J.
Ivy C. Warren
Owens Amelia A.
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