NOVEL BICYCLIC HETEROCYCLIC COMPOUND Russian patent published in 2014 - IPC C07D235/14 C07D403/06 C07D403/12 C07D405/06 C07D405/12 C07D405/04 C07D405/14 C07D471/04 A61K31/4184 A61K31/437 A61K31/4439 A61K31/454 A61K31/496 A61K31/5377 A61P13/00 A61P19/02 A61P25/00 A61P25/04 A61P43/00 

FIELD: chemistry.

SUBSTANCE: claimed invention relates to novel compound of formula (1) or its pharmaceutically acceptable salt, possessing SNS inhibiting properties. In general formula R¹ represents (1) hydrogen atom, (2) halogen atom, (3) C_1-6alkyl group or (4) C_1-6halogenalkyl group ₍where R¹ can be present in any substitutable position of benzene or pyridine ring); L represents (1) simple bond, (2) -O- or (3) -CH₂O- (where L can be present in position 5 or 6 of condensed cycle); R² represents (1) C_6-10aryl group (C_6-10aryl group is optionally condensed with C_3-6cycloalkane), optionally substituted with substituent(s), X represents carbon atom or nitrogen atom. Other values of radicals are given in the invention formula.

EFFECT: obtaining compounds which can be used to prepare medication for treatment or prevention of such diseases as neuropathic pain, nociceptive pain, dysuria, disseminated sclerosis, etc.

19 cl, 47 tbl, 237 ex