C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 487/04 (2006.01) C07D 317/44 (2006.01) C07D 405/04 (2006.01) C07D 405/12 (2006.01)
Patent
CA 2734454
The present invention is directed to a process for preparing [1S-[1.alpha.,2.alpha.,3.beta.(1S*,2R*),5.beta.]]- 3-[7-[2-(3,4-difluo- rophenyl)-cyclopropylamino]-5-(propylthio)-3H-1,2,3-triazolo[4,5- d]pyrimidin- 3-yl]-5-(2-hydroxyethoxy)cyclopentane-1,2-diol and to intermediates useful in the process.
La présente invention concerne un procédé pour préparer le [1S-[1a,2a,3ß(1S*,2R*),5ß]]-3-[7-[2-(3,4-difluorophényl)-cyclopropylamino]-5-(propylthio)-3H-1,2,3-triazolo[4,5-d]pyrimidin-3-yl]-5-(2-hydroxyéthoxy)cyclopentane-1,2-diol et des intermédiaires utiles dans le procédé.
Aufdenblatten Rhony
Bohlin Martin Hans
Hellstroem Helena
Johansson Peter W.
Larsson Ulf G.
Astrazeneca Ab
Fetherstonhaugh & Co.
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