The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 03, 2018
Filed:
Jun. 11, 2015
Applicant:
Flamma Spa, Chignolo d'Isola, IT;
Inventors:
Anna Rencurosi, Melzo, IT;
Massimo Previtali, Castelleone, IT;
Federico Della Negra, Padua, IT;
Francesco Mormile, Albino, IT;
Renato Canevotti, Concorezzo, IT;
Assignee:
FLAMMA SPA, Chignolo d'Isola, IT;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 487/04 (2006.01); C07D 239/48 (2006.01); C07D 239/46 (2006.01); C07D 239/50 (2006.01);
U.S. Cl.
CPC ...
C07D 487/04 (2013.01); C07D 239/46 (2013.01); C07D 239/48 (2013.01); C07D 239/50 (2013.01);
Abstract
The present invention relates to a process for preparation of triazolo[4,5-d] pyrimidine cyclopentane compounds of formula (I), and pharmaceutically acceptable salts thereof. The invention also provides novel compounds that can be used as intermediates in the process for preparing triazolo[4,5-d] pyrimidine cyclopentane compounds. The process and the intermediates are particularly useful for the preparation of ticagrelor and pharmaceutically acceptable salts thereof.