| abstract |
1,259,815. 2 - Acylamino - 2<SP>1 </SP>- carboxydiphenylamines. ROUSSEL UCLAF. 20 March, 1969 [20 March, 1968; 20 June, 1968 (2)], No. 34269/71. Divided out of 1,259,814. Heading C2C. The invention comprises compound of formula wherein R is H or an aliphatic group; R 2 is H, a C 1-5 aliphatic group, aryl (unsubstituted, or at least disubstituted), an araliphatic group, furyl, 3-pyridyl or thienyl; and X 1 , X 2 are each H, halogen (=Y), alkyl, alkoxy, CY 3 or NO 2 but may not be Y, alkyl or CF 3 when R 2 is Ph. These compounds are prepared by reacting the corresponding o-aminodiphenylamine with (R 2 )- CO 2 H or a functional equivalent thereof. |