Substituted triazine derivatives and use thereof as stimulators of soluble guanylate cyclase
The present application relates to novel substituted fused pyrimidines, to processes for their preparation, to their use alone or in combinations for the treatment and/or prophylaxis of diseases, and to their use for producing medicaments for the treatment and/or prophylaxis of diseases, in particular for the treatment and/or prophylaxis of cardiovascular disorders.
1. A compound of the formula (I)
in which
the ring Q is a group of the formula
where
* is the attachment site to —CH 2 -R 2 ,
** is the attachment site to the triazine ring,
R 1a is hydrogen or methyl,
R 1b is hydrogen or fluorine,
R 1c is hydrogen or chlorine,
A 1 is N or CH,
A 3 is N, CH or C—F,
R 2 is 3,3,3-trifluoroprop-1-yl, 2,2,3,3-tetrafluoroprop-1-yl, 2,2,3,3,3-pentafluoroprop-1-yl, phenyl or pyridyl,
where phenyl is substituted by 1 to 3 fluorine substituents,
and
where pyridyl may be substituted by 1 fluorine substituent,
R 3 is difluoromethyl, trifluoromethyl, (C 1 -C 6 )-alkyl, cyclopropyl, cyclobutyl, cyclopentyl, methylsulphonylamino, methoxycarbonylamino, phenyl, pyrazolyl, oxazolyl or pyridyl,
where (C 1 -C 6 )-alkyl may be substituted by 1 to 3 substituents independently of one another selected from the group consisting of fluorine, trifluoromethyl, cyclopropyl, cyclobutyl, cyclopentyl, difluoromethoxy, trifluoromethoxy, methoxy and ethoxy,
and
where phenyl, pyrazolyl, oxazolyl and pyridyl may be substituted by 1 or 2 substituents independently of one another selected from the group consisting of fluorine, chlorine, difluoromethyl, trifluoramethyl, methyl, ethyl, cyclopropyl, cyclobutyl, cyclopentyl, trifluoromethoxy, methoxy and ethoxy,
R 4 is hydroxy or amino,
or a salt thereof.
2. A compound of the formula (I)
in which
the ring Q is a group of the formula
where
* is the attachment site to —CH 2 —R 2 ,
** is the attachment site to the triazine ring,
the ring Q 1 together with the atoms to which it is bonded forms a 5- to 7-membered saturated or partly unsaturated carbocycle or a 5- to 7-membered saturated or partly unsaturated heterocycle,
A 1 , A 2 , A 3 and A 4 are each independently of one another N, CH or CR 1 ,
provided that not more than two of the A 1 , A 2 , A 3 and A 4 groups are N,
R 1 is fluorine, chlorine or methyl,
n is a number 0, 1 or 2,
R 2 is trifluoromethyl, 2,2,2-trifluoroethyl, 3,3,3-trifluoroprop-1-yl, 2,2,3,3,3-pentafluoroprop-1-yl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, phenyl, pyridyl, pyrimidinyl, pyrazinyl or pyridazinyl,
where phenyl is substituted by 1 to 3 fluorine substituents,
and
where cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl, pyridyl, pyrimidinyl, pyrazinyl and pyridazinyl may be substituted by 1 or 2 fluorine substituents,
R 3 is difluoromethyl, trifluoromethyl, (C l -C 6 )-alkyl, cyclopropyl, cyclobutyl, cyclopentyl, methylsulphonylamino, methoxycarbonylamino, phenyl, pyrazolyl, oxazolyl or pyridyl,
where (C 1 -C 6 )-alkyl may be substituted by 1 to 3 substituents independently of one another selected from the group consisting of fluorine, trifluoromethyl, cyclopropyl, cyclobutyl, cyclopentyl, difluoromethoxy, trifluoromethoxy, methoxy and ethoxy,
and
where phenyl, pyrazolyl, oxazolyl and pyridyl may be substituted by 1 or 2 substituents independently of one another selected from the group consisting of fluorine, chlorine, difluoromethyl, trifluoromethyl, methyl, ethyl, cyclopropyl, cyclobutyl, cyclopentyl, trifluoromethoxy, methoxy and ethoxy,
R 4 is hydroxy or amino,
or a salt thereof.
3. A process far preparing compounds of the formula (I) as defined in claim 2 , comprising
[A] reacting a compound of the formula (II)
in which n, Q, R 1 and R 2 each have the meanings specified in claim 2 , in an inert solvent in the presence of a suitable transition metal catalyst with a compound of the formula (III)
in which
R 3A is phenyl, pyrazolyl, oxazolyl or pyridyl,
where phenyl and pyrazolyl, oxazolyl or pyridyl may be substituted by 1 or 2 substituents independently of one another selected from the group consisting of fluorine, chlorine, difluoromethyl, trifluoromethyl, methyl, ethyl, cyclopropyl, cyclobutyl, cyclopentyl, trifluoromethoxy, methoxy and ethoxy,
and
T 1 is hydrogen or (C 1 -C 4 )-alkyl, or both radicals together form a —C(CH 3 ) 2 —C(CH 3 ) 2 - bridge,
to give a compound of the formula (I-A)
in which n, Q, R 1 , R 2 and R 3A each have the meanings specified above,
or
[B] reacting a compound of the formula (IV)
in which n, Q, R 1 and R 2 each have the meanings specified in claim 2 , in an inert solvent with a compound of the formula (V)
in which
R 3B is difluoromethyl, trifluoromethyl, (C 1 -C 6 )-alkyl or cyclopropyl, cyclobutyl, cyclopentyl,
where (C 1 -C 6 )-alkyl may be substituted by 1 to 3 substituents independently of one another selected from the group consisting of fluorine, trifluoromethyl, cyclopropyl, cyclobutyl, cyclopentyl, difluoromethoxy, trifluoromethoxy, methoxy and ethoxy,
and
T 2 is (C 1 -C 4 )-alkyl,
to give a compound of the formula (I-B)
in which n, Q, R 1 , R 2 and R 3B each have the meanings specified above,
or
[C] reacting the compound of formula (I-B) with phosphoryl chloride to prepare a compound of the formula (VI)
in which n, Q, R 1 , R 2 and R 3B each have the meanings specified above,
then reacting the compound of formula (VI) directly with ammonia to give a compound of the formula (I-C)
in which n, Q, R 1 , R 2 and R 38 each have the meanings specified above,
wherein the resulting compounds of the formulae (I-A), I-B) and (I-C) are, optionally, converted with the appropriate (i) solvent and/or (ii) acid or base into a salt thereof.
4. A method of treatment of heart failure, angina pectoris, hypertension, pulmonary hypertension, ischaemias, vascular disorders, renal insufficiency, thromboembolic disorders, fibrotic diseases and arteriosclerosis comprising administering an effective amount of the compound of claim 2 to a human or animal in need thereof.
5. A pharmaceutical composition comprising the compound of claim 2 and an inert, nontoxic, pharmaceutically suitable excipient.
6. A pharmaceutical composition comprising the compound of claim 2 and an active compound selected from the group consisting of an organic nitrate, an NO donor, a cGMP-PDE inhibitor, an antithrombotic agent, a hypotensive agent and a lipid metabolism modifier.
7. A method of treatment of heart failure, angina pectoris, hypertension, pulmonary hypertension, ischaemias, vascular disorders, renal insufficiency, thromboembolic disorders, fibrotic disorders and arteriosclerosis comprising administering an effective amount of the pharmaceutical composition of claim 5 to a human or animal in need thereof.