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EnglishThe invention relates to the prepn. of cyclopenta[c]pyrrole derivs. I (R is OH or an ester, P is H or a protecting group ), which are intermediates in the synthesis of viral protease inhibitor telaprevir. Compd. I was obtained by oxidn. of II (R1 is H or Me) as a stereoisomeric mixt. or a single isomer via formation of the formyl or acetyl deriv. in the first step. Compds. II were prepd. by nitroalkylation of hexahydrocyclopenta[c]pyrrole and optional N-protection and resoln. via formation of diastereoisomeric salts with a chiral amine.
| Titolo: | Process for the preparation of a viral protease inhibitor and intermediates thereof |
| Autori interni: | |
| Anno del prodotto: | 2014 |
| Abstract: | The invention relates to the prepn. of cyclopenta[c]pyrrole derivs. I (R is OH or an ester, P is H or a protecting group ), which are intermediates in the synthesis of viral protease inhibitor telaprevir. Compd. I was obtained by oxidn. of II (R1 is H or Me) as a stereoisomeric mixt. or a single isomer via formation of the formyl or acetyl deriv. in the first step. Compds. II were prepd. by nitroalkylation of hexahydrocyclopenta[c]pyrrole and optional N-protection and resoln. via formation of diastereoisomeric salts with a chiral amine. |
| Handle: | http://hdl.handle.net/11568/240339 |
| Appare nelle tipologie: | 6.1 Brevetto |
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