Process for the preparation of esters of 2-cyanoacrylic acid...

Details Process for the preparation of esters of 2-cyanoacrylic acid... Process for the preparation of esters of 2-cyanoacrylic acid...

C - Chemistry, Metallurgy

07

C

C07C 255/23 (2006.01) A61K 6/00 (2006.01) C07C 253/30 (2006.01) C07F 7/08 (2006.01) C07F 7/10 (2006.01) C08F 22/32 (2006.01)

Patent

CA 2153342

A process for the preparation of esters, including non-distillable esters, of 2-cyanoacrylic acid comprises reacting 2-cyanoacrylic acid or an acid halide thereof with an alcohol, including a diol or polyol, or a phenol in the presence of an inert organic solvent under polymerization inhibiting conditions and, additionally, in the presence of an acid catalyst when 2-cyanoacrylic acid is a reactant, continually removing the water or hydrohalic acid produced and recovering the ester. The esters thereby prepared and many of which are novel compounds include substituted or unsubstituted long chain alkyl cyanoacrylates and multifunctional cyanoacrylates, including bis cyanoacrylates. Such esters have a wide range of applications. For example, they can be grafted onto polymer backbones to improve properties of said polymers such as thermal resistance.

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