Abstract: The invention relates to heterocyclic derivatives of formula (I), Chemical formula should be inserted here. Please see paper copy wherein R1 is hydrogen or C1-3alkyl; R2 is selected from hydroxy, C1-5alkyl, carboxy, cyano, tetrazolyl, N—C1-5alkyltetrazolyl, oxazolyl, C1-5oxazolyl, isoxazolyl, C1-5 isoxazolyl, hydroxyC1-5alkyl, carboxy C1-5alkyl, C1-5alkoxyoxo C1-5alkyl, carbamoyl, C1-5alkylcarbamoyl, di(C1-5alkyl)carbamoyl, C1-5alkylcarbamoyl C1-4alkyl, hydroxy C1-5alkylcarbamoyl, C1-5alkoxy C1-5alkylcarbamoyl; —C1-5alkyl-Y1, —COOCHR17R18 and —CONR17R18; and R3 is hydrogen or halogen; or a pharmaceutically acceptable salt thereof, said compounds possess antithrombotic and anticoagulant properties and are accordingly useful in methods of treatment of humans or animals.

Abstract: The invention relates to compounds of formula (I), wherein R1 and R3 are independently selected from carbon and nitrogen; R2 is oxo or thioxo; n is 0, 1 or 2; each R10 is independently selected from hydrogen and C1-3alkyl; R4 and R5 are each selected from carbon and nitrogen, wherein at least one of R4 and R5 is nitrogen; R6 is hydrogen or oxo; R7 is an aliphatic, partially saturated or aromatic carbocyclic ring, said carbocyclic ring having 0, 1 or 2 hetero nitrogen; m is 0, 1 or 2; each R11 is independently selected from hydrogen, hydroxy, oxo, C1-5alkyl, carboxy, hydroxyC1-5alkyl, carboxyC1-5alkyl, C1-5alkoxy-oxoC1-5alkyl, carbamoyl, C1-5alkylcarbamoyl, di (C1-5 alkyl)carbamoyl, carbamoylC1-4alkyl,C1-5alkylcarbamoylC1-4alkyl, di(C1-5alkyl)carbamoylC1-4alkyl, hydroxyC1-5alkylcarbamoyl, C1-5 alkoxyC1-5alkylcarbamoyl, hydroxyC1-5alkylcarbamoylC1-4alkyl, C1-5alkoxyC1-5 alkylcarbamoylC1-4 alkyl, CONR80(CH2)xS(O)pR90, CONH(CH2)qNR100R100, —C1-5 alkyl-Y1, —COOCHR170R180 and —CON R170R180; R8 is a bond, C1-4alkyle

Abstract: The invention relates to compounds of formula (I), Chemical formula should be inserted here.

Abstract: There is provided compounds of formula I, 1

Abstract: There is provided a compound of formula I, wherein R1, R2, R9, R10, R11, R12, X, A and B have meanings given in the description, which are useful in the prophylaxis and in the treatment of arrhythmias, in particular atrial and ventricular arrhythmias.