Synthesis of substituted 4-hydroxy-1H-thieno[2,3-b;4,5-b′]dipyridin-2-ones
摘要:
Substituted 4-hydroxy-1 H-thieno[2,3-b;4,5-b']dipyridin-2-ones were prepared by the reactions of 3-cyanopyridine-2(1 H)-thiones with alkyl 4-chloroacetoacetates and by intramolecular cyclization of alkyl 4-(2-pyridylthio)acetoacetates or alkyl 3-(3-aminothieno[2,3-b]pyridin-2-yl)-3-oxopropionates under the action of bases.
One stage synthesis of 4,6-diaryl-3-cyanopyridine-2(1H)-thiones
作者:A. M. Shestopalov、K. G. Nikishin
DOI:10.1007/bf02251561
日期:1998.9
Antibacterial fab i inhibitors
申请人:Moir T. Donald
公开号:US20070027190A1
公开(公告)日:2007-02-01
Disclosed herein are antibacterial compounds that inhibit fabl, a NADH-dependent enoyl [acyl carrier protein] reductase enzyme in the fatty acid biosynthesis pathway. The compounds are represented by structural formulas Ia and Ib: R1 and R2 are independently monocyclic aryl or heteroaryl groups, wherein the groups represented by R1 and R2 are optionally substituted with one or more acyclic substituents; R3 is —H or an optionally substituted C1-C8 aliphatic, C3-C8 cycloaliphatic, aryl, or heteroaryl group. X1 is a bond or a C1-C3 alkylene chain that is optionally substituted with a C1-C4 alkyl or an acidic group. X2 is an aryl, heteroaryl or C3-C8 cycloaliphatic ring, wherein the group represented by X2 is optionally substituted with triazole, tetrazole, and/or one or more acyclic substituents.