Preparation of dihydropyrrol derivatives as intermediates

Details Preparation of dihydropyrrol derivatives as intermediates Preparation of dihydropyrrol derivatives as intermediates

C - Chemistry, Metallurgy

07

D

C07D 209/44 (2006.01) C07D 471/04 (2006.01)

Patent

CA 2705950

The invention is concerned with a new scalable process for the preparation of compounds of formula (I) comprising a new process for the preparation of the key intermediate, a dihydropyrrole derivative formula (II) or a salt thereof.

L'invention porte sur un nouveau procédé d'échelle variable de préparation de composés de formule (I) comprenant un nouveau procédé de préparation de l'intermédiaire clé, un dérivé de dihydropyrrole de formule (II) ou un sel de celui-ci.

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