Patent KR-900004693-A (KR)
IPC: C07D213/64
Filed: 1989-09-12
Abstract: A novel compound of the formulawherein R¹ means hydrogen and R² means hydrogen or a straight-chain or branched chain alkyl having 1 to 8 carbon atoms; Ar means phenyl, a phenyl substituted by 1 to 3 substituent(s) selected from among halogens, straight-chain or branched chain alkyls having 1 to 8 carbon atoms, straight-chain or branched chain alkoxys having 1 to 8 carbon atoms, trifluoromethyl, amino, nitro and cyano, furyl, a furyl substituted by 1 to 3 substituent(s) selected from among halogens, straight-chain or branched chain alkyls having 1 to 8 carbon atoms, straight-chain or branched chain alkoxys having 1 to 8 carbon atoms, trifluoromethyl, straight-chain or branched chain alkylthiols having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfinyls having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfonyls having 1 to 8 carbon atoms, amino, nitro and cyano, thienyl, a thienyl substituted by 1 to 3 substituent(s) selected from among halogens, straight-chain or branched chain alkyls having 1 to 8 carbon atoms, straight-chain or branched chain alkoxys having 1 to 8 carbon atoms, trifluoromethyl, straight-chain or branched chain alkylthiols having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfinyls having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfonyls having 1 to 8 carbon atoms, amino, nitro and cyano, pyrrolyl, a pyrrolyl substituted by 1 to 3 substituent(s) selected from among halogens, straight-chain or branched chain alkyls having 1 to 8 carbon atoms, straight-chain or branched chain alkoxys having 1 to 8 carbon atoms, trifluoromethyl, straight-chain or branched chain alkylthiols having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfinyls having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfonyls having 1 to 8 carbon atoms, amino, nitro and cyano, pyridyl, or a pyridyl substituted by 1 to 3 substituent(s) selected from among halogens, straight-chain or branched chain alkyls having 1 to 8 carbon atoms, straight-chain or branched chain alkoxys having 1 to 8 carbon atoms, trifluoromethyl, straight-chain or branched chain alkylthiols having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfinyls having 1 to 8 carbon atoms, straight-chain or branched chain alkylsulfonyls having 1 to 8 carbon atoms, amino, nitro and cyano: Y means a single bond or a straight-chain or branched chain alkylene having 1 to 8 carbon atoms which may have double bond(s) in the chain; W means a group of the formula (i)(wherein R³ and R⁴ are the same or different and respectively mean hydrogen or a halogen, X means -O- or -S-, Z means a single bond or -O-, A is a straight-chain or branched chain alkylene having 1 to 8 carbon atoms, B means -N(R⁸)(R⁹) (wherein R⁸ and R⁹ are the same or different and respectively mean hydrogen or a straight-chain or branched chain alkyl having 1 to 8 carbon atoms, or combinedly means a group forming, taken together with the adjacent nitrogen, 1-pyrrolidinyl, 2-oxo-1-pyrrolidinyl, piperidino, 1-piperazinyl, a 1-piperazinyl substituted by a straight-chain or branched chain alkyl having 1 to 8 carbon atoms at the 4-position, 1-homopiperazinyl, morpholino and thiomorpholino) or a group of the formula (ii)(wherein R¹² and R¹³ are the same or different and respectively mean hydrogen or a straight-chain or branched chain alkyl having 1 to 8 carbon atoms, P is -S- and Q is hexamethylene, heptamethylene, octamethylene, 1-methylpentamethylene, 1-methylhexamethylene, 1-methylheptamethylene, -(CH₂)₂S(CH₂)₃-, -(CH₂)₂S(CH₂)₆-.ora pharmaceutically acceptable salt thereof or a hydrate thereof.The compounds exhibit inhibitory activity on prolylendopeptidase. Also disclosed are pharmaceutical compositions containing the novel pyridine compounds.