THIAZOLE COMPOUND AND USE THEREOF

• Main Authors: HARUTA, JUNPEI, FUJITA, KAZUHIKO, HIYAMA, HIDETAKA, KAWASOME, HIDEKI, WATANABE, KENJI, ISHIYAMA, HIRONOBU, KITAGAKI, HIDEKI, OSHIMA, KUNIO, ITO, NOBUAKI, CHIHIRO, MASATOSHI, SAKAMOTO, YOKO, TAKEMURA, ISAO, SUMIDA, TAKUMI
• Format: Patent
• Language: English; French
• Published: 07.01.2014
• Subjects: CHEMISTRY; HETEROCYCLIC COMPOUNDS; HUMAN NECESSITIES; HYGIENE; MEDICAL OR VETERINARY SCIENCE; METALLURGY; ORGANIC CHEMISTRY; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES; SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS

An object of the present invention is to provide a novel thiazole compound with specific inhibitory activity against phosphodiesterase 4. The present invention provides a compound represented by Formula (1), an optical isomer thereof, or a salt thereof: (see formula 1) wherein R1 is a di-C1-6 alkoxyphenyl group; R2 is any one of the following groups (a) to (t): (a) a phenyl group; (b) a naphthyl group; (c) a pyridyl group; (d) a furyl group; (e) a thienyl group; (f) an isoxazolyl group; (g) a thiazolyl group; (h) a pyrrolyl group; (i) an imidazolyl group; (j) a tetrazolyl group; (k) a pyrazinyl group; (l) a thienothienyl group; (m) a benzothienyl group; (n) an indolyl group; (o) a benzimidazolyl group; (p) an indazolyl group; (q) a quinolyl group; (r) a 1,2,3,4-tetrahydroquinolyl group; (s) a quinoxalinyl group; and (t) a 1,3-benzodioxolyl group; and A is any one of the following groups (i) to (vi): (i) -CO-B- wherein B is a C1-6 alkylene group; (ii) -CO-Ba wherein Ba is a C2-6 alkenylene group; (iii) -CH(OH)-B-; (iv) -COCH(COOR3)-Bb- wherein R3 is a C1-6 alkyl group and Bb is a C1-6 alkylene group; and (v) -Bc- wherein Bc is a C2-6 alkylene group.