Patent number: 6984649
Abstract: Pyridine compounds of general formula: wherein —R1 represents in which R11 is hydrogen, C1-6 alkyl, halogen, hydroxy, C1-12 alkoxy, nitro, amino, C1-6 alkylsulfonylamino, C1-6 alkoxycarbonyl, C1-6 alkylamino, di (C1-6 alkyl)amino, C1-6 alkanoylamino, phenyl C1-6 alkylamino, phenylsulfonylamino, or —O—(CH2)n—R111; R2 represents hydrogen or halogen; R3 represents 1.2.3.6-tetrahydro-pyridine, or —CR31R32R33 wherein R31 represents H or C1-6 alkyl and R32 and R33 are joined to form a 5-8 membered saturated ring optionally containing up to three heteroatoms; R4 is carbamoyl, CN, carboxyl, etc.; R5 is amino, C1-6 alkylamino, di C1-6 alkylamino, etc. or salt thereof. The compound has an excellent anti-inflammatory activity, and other biological activity.
Type:
Grant
Filed:
March 28, 2003
Date of Patent:
January 10, 2006
Assignee:
Bayer Aktiengesellschaft
Inventors:
Toshiki Murata, Masaomi Umeda, Sachiko Sakakibara, Takashi Yoshino, Hiroki Sato, Tsutomu Masuda, Yuji Koriyama, Mitsuyuki Shimada, Takuya Shintani, Hiroshi Kadono, Timothy B. Lowinger, Karl B. Ziegelbauer, Kinji Fuchikami, Hiroshi Komura
Patent number: 6562811
Abstract: Pyridine compounds of general formula:
wherein —R1 represents
in which R11 is hydrogen, C1-6 alkyl, halogen, hydroxy, C1-12 alkoxy, nitro, amino, C1-6 alkylsulfonylamino, C1-6 alkoxycarbonyl, C1-6 alkylamino, di(C1-6 alkyl)amino, C1-6 alkanoylamino, phenyl C1-6 alkylamino, phenylsulfonylamino, or —O—(CH2)n—R111; R2 represents hydrogen or halogen; R3 represents hydrogen, —CR31R32R33, or —NR34R35; R4 is hydrogen, carbamoyl, CN, carboxyl, etc.; R5 is amino, C1-6 alkylamino, di C1-6 alkylamino, etc. or salt thereof. The compound has an excellent anti-inflammatory activity, and other biological activity.
Type:
Grant
Filed:
September 18, 2001
Date of Patent:
May 13, 2003
Assignee:
Bayer Aktiengesellschaft
Inventors:
Toshiki Murata, Masaomi Umeda, Sachiko Sakakibara, Takashi Yoshino, Hiroki Sato, Tsutomu Masuda, Yuji Koriyama, Mitsuyuki Shimada, Takuya Shintani, Hiroshi Kadono, Timothy B. Lowinger, Karl B. Ziegelbauer, Kinji Fuchikami, Hiroshi Komura