Method for producing betamimetics

Details Method for producing betamimetics Method for producing betamimetics

C - Chemistry, Metallurgy

07

D

C07D 265/36 (2006.01) C07C 205/45 (2006.01) C07C 211/45 (2006.01) C07C 233/13 (2006.01) C07C 233/18 (2006.01)

Patent

CA 2619402

The invention relates to a method for producing betamimetics of formula (I), in which n represents 1 or 2; R1 represents hydrogen, halogen, C1-4 alkyl or O- C1-4 alkyl; R2 represents hydrogen, halogen, C1-4 alkyl or O-C1-4 alkyl, and; R3 represents hydrogen, C1-4 alkyl, OH, halogen, O-C1-4 alkyl, O-C1-4 alkylene- COOH, O-C1-4 alkylene-COO-C1-4-alkyl.

La présente invention concerne un procédé de production de bêtamimétiques de formule (1), dans laquelle n est égal à 1 ou 2 ; R1 représente hydrogène, halogène, alkyle C1-4 ou alkyle O-C1-4, R2 représente hydrogène, halogène, alkyle C1-4 ou alkyle O-C1-4 et R3 représente hydrogène, alkyle C1-4, OH, halogène, alkyle O-C1-4, O-C1-4-alkylène-COOH ou O-C1-4-alkylène-COO-C1-4-alkyle.

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