Claims for Patent: 7,943,661

Summary for Patent: 7,943,661

Title:	Substituted 1,3-diphenylprop-2-en-1-one derivatives and preparation and uses thereof
Abstract:	The invention concerns novel substituted 1,3-diphenylprop-2-en-1-one derivatives, pharmaceutical compositions comprising same, their therapeutic uses, in particular for treating cerebral ischemia. The invention also concerns a method for preparing said derivatives.
Inventor(s):	Jamila Najib, Karine Caumont-Bertrand
Assignee:	Genfit SA
Application Number:	US10/520,079
Patent Claims:	1. A compound of formula (I) in which: X1 is a halogen, R1 or -G1-R1, X2 is hydrogen, hydroxy or an unsubstituted alkyloxy, X3 is —R3 or -G3-R3, X4 is a —R4 or -G4-R4, X5 is —R5 or -G5-R5, X6 is oxygen, R1, R3 and R5, which are the same or different, are an unsubstituted alkyl having from one to seven carbon atoms, R4 is an alkyl having from one to seven carbon atoms substituted by a group 1 substituent, G1, G3, G4, and G5, which are the same or different, are oxygen or sulphur wherein at least one of X1, X3, X4 and X5 is G1R1, G3R3, G4R4 and G5R5, respectively, said group 1 substituent being selected from the group consisting of —COOR6 and —CONR6R7, wherein R6 and R7, which are the same or different, are hydrogen or an unsubstituted alkyl having from one to seven carbon atoms, or an optical isomer, a geometric isomer, a racemate, a tautomer, a salt or mixtures thereof. 2. The compound of according to claim 1, wherein both G1 and G4 are sulfur. 3. The compound according to claim 1, wherein X2 is hydrogen. 4. The compound according to claim 1, wherein X1 is -G1-R1. 5. The compound according to claim 1, wherein X1 is -G1-R1 and G1 is oxygen. 6. The compound according to claim 1, wherein X1 is -G1-R1 and G1 is sulfur. 7. The compound according to claim 1, wherein X4 is -G4-R4 group. 8. The compound according to claim 1, wherein X4 is -G4-R4 and G4 is oxygen. 9. The compound according to claim 1, wherein G4 is an oxygen atom, and X3 and X5 respectively represent R3 and R5, wherein R3 and R5 are alkyl groups having one or two carbon atoms. 10. The compound according to claim 1 wherein X1 is a halogen. 11. The compound according to claim 1, wherein X4 is OC(CH3)2COOR6. 12. The compound according to claim 1, wherein X4 represents SC(CH3)2COOR6. 13. A compound selected in the group consisting of: 1-[2-hydroxy-4-chlorophenyl]-3-[3,5-dimethoxy-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[2-hydroxy-4-chlorophenyl]-3-[3,5-dimethoxy-4-isopropyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[2-hydroxy-4-chlorophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[2-hydroxy-4-chlorophenyl]-3-[3,5-dimethyl-4-isopropyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-chlorophenyl]-3-[3,5-dimethyl-4-tertbutyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-chlorophenyl]-3-[3,5-dimethyl-4-isopropyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-chlorophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[2-hydroxy-4-bromophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-methylthiophenyl]-3-[3,5-dimethyl-4-tertbutyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-methylthiophenyl]-3-[3,5-dimethyl-4-isopropyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-methylthiophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-hexyloxyphenyl]-3-[3,5-dimethyl-4-tertbutyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-hexyloxyphenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[2-methyloxy-4-chlorophenyl]-3-[3,5-dimethyl-4-tertbutyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[2-methyloxy-4-chlorophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-heptylphenyl]-3-[3,5-dimethyl-4-tertbutyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-heptylphenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-bromophenyl]-3-[3,5-dimethyl-4-tertbutyloxycarbonyldimethylmethyloxyphenyl]prop-2-en-1-one, and 1-[4-bromophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one. 14. A compound selected in the group consisting of: 1-[4-methylthiophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, 1-[4-hexyloxyphenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one, and 1-[4-bromophenyl]-3-[3,5-dimethyl-4-carboxydimethylmethyloxyphenyl]prop-2-en-1-one. 15. A method for preparing a compound of claim 1, comprising contacting in basic or acidic medium at least one compound corresponding to formula (A) with at least one compound corresponding to formula (B): 16. A pharmaceutical composition comprising, in a pharmaceutically acceptable support, at least one compound of claim 1. 17. A pharmaceutical composition comprising, in a pharmaceutically acceptable support, at least one compound of claim 1, in a form for the treatment of a cerebral ischemia.