C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
C07D 233/64 (2006.01) C07D 233/84 (2006.01) C07D 401/06 (2006.01)
Patent
CA 2760748
The present invention relates to a process for the preparation of a compound of the formula (I), which comprises reacting a compound of the formula (IV) with an oxalic acid diester and to novel intermediate compounds used therein.
La présente invention concerne un procédé de préparation d'un composé de formule (I) qui comporte la réaction d'un composé de formule (IV) avec un diester de l'acide oxalique, et de nouveaux composés intermédiaires utilisés dans celui-ci.
Bigot Antony
Crocq-Stuerga Veronique
Kraft Volker
Rossen Kai
Wehlan Hermut
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Sanofi
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