An improved process for the preparation of substituted...

Details An improved process for the preparation of substituted... An improved process for the preparation of substituted...

C - Chemistry, Metallurgy

07

D

C07D 209/34 (2006.01) C07C 69/007 (2006.01) C07C 205/40 (2006.01)

Patent

CA 2080221

A process for the preparation of a compound of structure (I), in which n is 1 to 3 and each group R is hydrogen or alkyl, which comprises, reaction of a compound of structure (II), in which R1 is alkyl, phenyl or substituted phenyl and n is 1 to 3, with an amine HNR2 in which R is as described for structure (I), and optionally thereafter forming a salt.

Un procédé de préparation d'un composé de la structure (I), dans laquelle n est 1 à 3 et chaque groupe R représente hydrogène ou alkyle. On fait réagir un composé de la structure (II), où R1 représente alkyle, phényle ou phényle substitué, et n est 1 à 3, avec une amine HNR2 où R correspond à la description de la structure (I), pour former ensuite, facultativement, un sel.

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