Patent ID: 7754740

Claim:
A compound of formula (1): in which: R 1 is —O—R′ 1 or —NR′ 1 R″ 1 ; R′ 1 and R″ 1 are each independently H, optionally substituted alkyl having 1 to 10 carbon atoms, optionally substituted alkenyl having 2 to 10 carbon atoms, optionally substituted alkynyl having 2 to 10 carbon atoms, optionally substituted cycloalkyl having 4 to 9 carbon atoms, optionally substituted aryl having 6 to 18 carbon atoms, or optionally substituted heteroaryl; R 2 is optionally substituted alkyl having 1 to 10 carbon atoms, optionally substituted alkenyl having 2 to 10 carbon atoms, or optionally substituted alkynyl having 2 to 10 carbon atoms, aryl having 6 to 18 carbon atoms which is optionally substituted and/or optionally fused to a monocyclic or polycyclic, saturated or unsaturated 5- to 8-membered nucleus optionally containing one or more hetero atoms chosen from O, N and S, and said nucleus is optionally substituted, or a saturated, unsaturated or aromatic, optionally substituted 5- to 8-membered monocyclic heterocyclic radical containing one or more hetero atoms chosen from O, N and S; R 3 is H or optionally substituted alkyl having 1 to 10 carbon atoms; and A is a linear or branched alkylene chain containing from 1 to 6 carbon atoms; wherein optionally substituted alkyl groups listed above are each optionally substituted one or more times by halogen, —O-alkyl having 1 to 10 carbon atoms, aryl having 6 to 18 carbon atoms and which is optionally substituted by halogen, methyl, ethyl, methoxy, phenyl, trifluoromethyl or trifluoromethoxy, cycloalkyl having 4 to 9 carbon atoms, or a heterocyclic group; wherein optionally substituted alkenyl groups listed above are each unsubstituted or substituted one or more times by halogen, trifluoromethyl, trifluoromethoxy, hydroxyl, alkoxy, alkoxycarbonyl, carboxyl or oxo; wherein optionally substituted alkynyl groups listed above are each unsubstituted or substituted one or more times by halogen, trifluoromethyl, trifluoromethoxy, hydroxyl, alkoxy, alkoxycarbonyl, carboxyl or oxo; wherein optionally substituted aryl groups listed above are each unsubstituted or substituted one or more times by halogen, methyl, ethyl, methoxy, phenyl, trifluoromethyl or trifluoromethoxy; wherein optionally substituted heterocyclic groups listed above are each unsubstituted or substituted one or more times by halogen, methyl, ethyl, methoxy, phenyl, trifluoromethyl or trifluoromethoxy; wherein aromatic heterocyclic groups or heteroaryl groups are selected from pyridyl, pyrimidinyl, triazolyl, thiadiazolyl, oxazolyl, thiazolyl, thienyl, quinolyl, benzothiazolyl, acridinyl, phenazinyl, carbazolyl, and benzothiophenyl; wherein saturated or unsaturated heterocyclic groups are selected morpholinyl, piperidinyl, thiazolidinyl, oxazolidinyl, tetrahydrothienyl, tetrahydrofuryl, pyrrolidinyl, isoxazolidinyl, imidazolidinyl, and pyrazolidinyl; or an optical isomer thereof, an oxide form thereof, or a pharmaceutically acceptable addition salt thereof.