Compounds of Structure I, and salts, tautomers, stereoisomers, and mixtures thereof may be used in methods of inhibiting checkpoint kinase 1 in subjects, in methods for inducing cell cycle progression, and in methods for increasing apoptosis in cells. Such compounds may be used to prepare pharmaceutical compositions and may be used in conjunction with DNA damaging agents.
Inhibition of FGFR3 and treatment of multiple myeloma
申请人:Cai Shaopei
公开号:US20050261307A1
公开(公告)日:2005-11-24
Methods of inhibiting fibroblast growth factor receptor 3 and treating various conditions mediated by fibroblast growth factor receptor 3 are provided that include administering to a subject a compound of Structure I, a pharmaceutically acceptable salt thereof, a tautomer thereof, or a pharmaceutically acceptable salt of the tautomer. Compounds having the Structure I have the following structure where and have the variables described herein. Such compounds may be used to prepare medicaments for use in inhibiting fibroblast growth factor receptor 3 and for use in treating conditions mediated by fibroblast growth factor receptor 3 such as multiple myeloma.
1H-1,2,4-thiadiazolo(3,4-b)quinazolin-5-one-2,2-dioxides, and a method
申请人:Ortho Pharmaceutical Corporation
公开号:US04904667A1
公开(公告)日:1990-02-27
1H-1,2,4-thiadiazolo[3,4-b]quinazolin-5-one-2,2-dioxides are disclosed. These compounds are useful as caridotonic agents. A preferred compound is 7-(n-cyclohexyl-N-methyl-4-amino-4-oxobutyloxy)-1H-1,2,4-thiadiazolo[3,4-b ]quinazolin-5-one-2,2-dioxide.
Preparation and alkylation of 1,5-dihydro-3H-1,2,4-thiadiazolo[3,4-b]quinazolin-5-one 2,2-dioxides
作者:James P. Demers、Richard Sulsky、Dieter H. Klaubert
DOI:10.1002/jhet.5570260606
日期:——
1,5-Dihydro-3H-1,2,4-thiadiazolo[3,4-b]quinazolin-5-one2,2-dioxides (3) are prepared by reaction of isatoic anhydrides with methyl N-(chloromethanesulfonyl)carbamimidothioate (6). The sodium salt of 3a, generated with sodium hydride in N,N-dimethylformamide, is alkylated excusively on N-10. An improved preparation of 6 is described, utilizing a two-phase sulfonylation.
1,5-二氢-3 H -1,2,4-噻二唑并[3,4- b ]喹唑啉-5-酮2,2-二氧化物(3)是通过等角酸酐与甲基N-(氯甲磺酰基)反应制得的氨基氨基硫代氨基甲酸酯(6)。由氢化钠在N,N-二甲基甲酰胺中生成的3a的钠盐在N-10上发生烷基化。描述了利用两阶段磺酰化的改进的6的制备。