Patent ID: 8956589
Filing Date: 2015-02-17
Classification: A61K,A61P,C07C,C07D,G01N

Abstract:
1. A curcumin compound or a salt thereof represented by formula (I): wherein R 1a and R 1b are each independently a hydrogen atom, alkyl, acetyl, or methoxycarbonyl; R 2 is each independently a fluorine atom, CHF 2 —, CF 3 —, CHF 2 O, or CF 3 O; R 3 is each independently a hydrogen atom or a fluorine atom; A is cyano, carboxyl, alkoxycarbonyl, or R 4 —(CH 2 ) m —; R 4 is hydroxy, carboxy, cyano, acetyloxy, alkoxycarbonyl, alkoxyalkoxy, hydroxyalkoxy, or CONR 5 R 6 ; R 5 and R 6 are each independently a hydrogen atom or alkyl; and m is an integer from 1 to 5.