CUMARIN-VERBINDUNGEN

摘要

1. Coumarin compounds of the formula see diagramm : EP0005172,P6,F1 in which R1 and R2 represent hydrogen ; C1 -C6 -alkyl which can be substituted by hydroxyl, C1 -C4 -alkoxy, cyano, carboxyl, sulpho, (C1 -C4 -alkoxy)-carbonyl ; amino, mono- and di-(C1 -C4 -alkyl)-amino, aminocarbonyl, mono- and di-(C1 -C4 -alkyl)-aminocarbonyl, aminosulphonyl, mono- and di-(C1 -C4 -alkyl)-aminosulphonyl, C1 -C4 -alkylthio, halogen, preferably fluorine, chlorine, and bromine, C1 -C4 alkylsulphonyl and phenyl ; phenyl which can be substituted by C1 -C4 -alkyl, trifluoromethyl, chlorine, bromine, cyano, (C1 -C4 -alkoxy)-carbonyl, C1 -C4 -alkoxy and phenyl ; or phenyl -C1 -C4 -alkyl which can also be substituted in the phenyl nucleus by chlorine, C1 -C4 -alkyl and C1 -C4 -alkoxy, but R1 and R2 cannot simultaneously designate hydrogen, and X designates cyano or -COOR3 , wherein R3 represents C1 -C6 -alkyl which can be substituted by hydroxyl, C1 -C4 -alkoxy, cyano, carboxyl, sulpho, (C1 -C4 -alkoxy)-carbonyl, amino, mono- and di-(C1 -C4 -alkyl)-amino, aminocarbonyl, mono- and di-(C1 -C4 -alkyl)-aminocarbonyl, aminosulphonyl, mono- and di-(C1 -C4 -alkyl)-aminosulphonyl, C1 -C4 -alkylthio, halogen, preferably fluorine, chlorine and bromine, C1 -C4 -alkylsulphonyl and phenyl.