Process for the preparation of the salts of...

Details Process for the preparation of the salts of... Process for the preparation of the salts of...

C - Chemistry, Metallurgy

07

C

C07C 57/54 (2006.01) C07B 59/00 (2006.01) C07C 211/03 (2006.01) C07C 211/27 (2006.01) C07D 213/18 (2006.01) C07D 213/73 (2006.01) C07D 295/027 (2006.01) C07D 307/52 (2006.01) C08F 20/04 (2006.01) C08F 20/06 (2006.01)

Patent

CA 2092689

HOE 90/F 272 Abstract Process for the preparation of the salts of 3,3- dideutero-2-fluoroacrylic acid and of trideutero-2- fluoroacrylic acid and their use Process for the preparation of compounds of the formula (I) Image (I) where n = 1, 2 or 3 by reaction of compounds of the formula (V) Image (V) (R12 is a hydrogen or deuterium atom) with equimolar amounts of a base in water or an organic solvent or a mixture of water with one or more organic solvents, at a temperature which is in the range between the solidification point and the boiling point of the reaction solution. A(+) is a NH4(+) group or a NH3D(+) group, a metal M(+), preferably an alkali metal or an alkaline earth metal, or a primary, secondary, tertiary or quaternary ammonium ion of the formula (II) Image (II) or a radical of the formula (III)? Image (III)

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