Nucleophilic substitution process

Details Nucleophilic substitution process Nucleophilic substitution process

C - Chemistry, Metallurgy

07

D

260/321, 260/471

C07D 209/44 (2006.01) C07C 79/46 (1980.01) C07C 101/453 (1980.01)

Patent

CA 1177084

ABSTRACT OF THE DTSCLOSURE Nitroarylucetic acid esters are prepared by rescting a nitroaromntic compound with an alpha,ulpha-disubstituted acetic acid ester in a sub- stantially anhydrous aprotic solvent and in the presence of a base so that the ester undergoes a nucleophilic substitution on an unsubstituted ring carbon of the nitrouromatic compound during which an alpha-substituent functions as a leaving group. The nitrourylacetic acid esters formed by the process can be readily converted into derivatives, such as pharmaceuticals.

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