NEUROPATHY IMPROVERS CONTAINING NITROGENOUS COMPOUNDS AS THE ACTIVE INGREDIENT

摘要

A compound represented by the Formula below, and an agent for the remedy of neural damage having the said compound as the active ingredient. <CHEM> ÄHere, G represents G1 shown below <CHEM> R<4> represents, hydrogen atoms and acyl groups, W represents single bonds and alkylenes, m represents 0 or 1, R<5> and R<6> represent hydrogen atoms, aliphatic hydrocarbon groups, alicyclic hydrocarbon groups, aromatic hydrocarbon groups and heterocyclic groups, and R<7> represents hydrogen atoms, acyl groups and alkoxycarbonyl groups. A<2> represents, single bonds, -O-, -NR<3>-, and -S(=O)n-, A<1> and A<3>represent single bonds, aliphatic hydrocarbon groups, alicyclic hydrocarbon groups, heterocyclic groups and phenylene groups, and A<4> represents single bonds, carbonyl groups and aliphatic hydrocarbon groups. R<1> and R<2> represent hydrogen atoms, alkyl groups, cycloalkyl groups, phenyl groups and heterocyclic groups. The previously mentioned functional groups may be substituted.Ü