Optically active tert-alkyl7-(2-oxo-5-...

Details Optically active tert-alkyl7-(2-oxo-5-... Optically active tert-alkyl7-(2-oxo-5-...

C - Chemistry, Metallurgy

07

D

260/324.3

C07D 207/28 (2006.01) C07D 207/26 (2006.01)

Patent

CA 1161448

OPTICALLY ACTIVE TERT-ALKYL 7-(2-OXO-5-CARBONYLOXYPYRROLIDINYL)- HEPTANOATES AND PROCESS FOR THEIR PREPARATION ABSTRACT OF THE DISCLOSURE optically active tert-alkyl 7-2(oxo-5- carbonyloxypyrrolidinyl)heptanoates and their preparation by reaction of racemic tert-alkyl 7-(2-oxo-5-carboxypyrrolidinyl)heptanoate with an optically active amine to form resolved d or ? amine salts which are then reacted with acid to form resolved acid intermediates. Esterification of these acid intermediates produces resolved d or ? esters which are useful to make optically active 8-azaprostanoids having biological activity.

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