PROCEDEU DE OBTINERE A INHIBITORILOR PROTEAZEI HIV

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Interest:

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Publication info:

No.: RO118292

Date: 30.04.2003

Inventor(s):

ROSSEN KAI [US]

ASKIN DAVID [US]

REIDER PAUL [US]

VARSOLONA RICHARD J [US]

VOLANTE RALPH P [US]

Applicant(s):
MERCK & CO INC [US]
Classification:
International patent classification (IPC):
A61K31/495; A61P31/12; C07D241/04; C07D241/14; C07D401/06; C07D405/06; C07D491/04; C07D491/048; C07D413/06

Cooperative patent classification (CPC):
A61P31/12 (EP); C07D241/04 (EP, US); C07D401/06 (EP, US); C07D491/04 (EP, US)
Application info:
No.: RO19960001576
Date: 30.01.1995
Priority number(s):
US19940192916 04.02.1994 ; WO1995US01232 30.01.1995
Related patents:
ATE206407; AU1696795; AU691878; BR9506727; CA2180947; CZ227296; CZ291774; DE69523038; EP0741712; ES2161863; FI112218; FI963054; HUT76303; JPH09508628; KR100337579; MX9603218; NZ279734; RU2135482; SK100696; SK281861; TW472047; UA46730; US5663341; WO9521162
Description:

Prezenta inventie se refera la un procedeu de obtinere a inhibitorilor proteazei HIV, care consta in racemizarea piperazin-3-tert-butilcarboxamidei, optic pura sau imbogatita, si a derivatilor sai, si cuprinde reactia compusului piperazinic, optic pur sau imbogatit, cu un agent de racemizare selectat dintre o baza tare, o sare anhidra de metal sau un acid carboxilic, intr-un solvent, la o temperatura cuprinsa intre temperatura camerei si 250 degree C. Derivatii piperazin carboxamidici sunt intermediari cheie in prepararea compusilor inhibitori ai proteazei HIV, incluzand compusul J.