金属催化的 C-N 交叉偶联通常通过带有共价 C 和 N 配体的金属配合物的还原消除来形成 C-N 键。我们已经确定了一种 Cu 介导的 C-N 交叉偶联,该偶联在成键事件中使用了配位 N 配体,与传统方法相反,它会生成反应性阳离子产物。机理研究表明,该过程是通过芳基有机硼向带有中性 N 配体(例如腈或 N 杂环)的Cu II络合物的金属转移来进行的。随后生成的假定的 Cu III络合物使氧化 C-N 偶联发生,从而产生硝中间体和吡啶产物。该反应对于一系列 N(sp) 和 N(sp 2 ) 前体是通用的,可应用于药物合成和后期 N-芳基化,并且从机制上证明了该方法的局限性。
[EN] AMINOPYRIMIDINE DERIVATIVES AS CTPS1 INHIBITORS<br/>[FR] DÉRIVÉS D'AMINOPYRIMIDINE UTILISÉS COMME INHIBITEURS DE CTPS1
申请人:STEP PHARMA S A S
公开号:WO2019180244A1
公开(公告)日:2019-09-26
Compounds of formula (I): (I) and related aspects.
式(I)的化合物及相关方面。
Protease inhibitors
申请人:SmithKline Beecham Corporation
公开号:US05998470A1
公开(公告)日:1999-12-07
Disclosed herein is a compound of the formula ##STR1## known as 2-[N-(N-benzyloxycarbonyl-L-leucinyl)]-2'-[N'-[4-(N,N-dimethylaminomethyl) benzyloxy]carbonyl-L-leucinyl]carbohydrazide; and pharmaceutically acceptable salts, hydrates and solvates thereof.
Heteroaryl substituted pyrrolo[2,3-b]pyridines and pyrrolo[2,3-b]pyrimidines as janus kinase inhibitors
申请人:Rodgers D. James
公开号:US20070135461A1
公开(公告)日:2007-06-14
The present invention provides heteroaryl substituted pyrrolo[2,3-b]pyridines and heteroaryl substituted pyrrolo[2,3-b]pyrimidines that modulate the activity of Janus kinases and are useful in the treatment of diseases related to activity of Janus kinases including, for example, immune-related diseases, skin disorders, myeloid proliferative disorders, cancer, and other diseases.
HETEROARYL SUBSTITUTED PYRROLO[2,3-b]PYRIDINES AND PYRROLO[2,3-b]PYRIMIDINES AS JANUS KINASE INHIBITORS
申请人:Rodgers James D.
公开号:US20090181959A1
公开(公告)日:2009-07-16
The present invention provides heteroaryl substituted pyrrolo[2,3-b]pyridines and heteroaryl substituted pyrrolo[2,3-b]pyrimidines that modulate the activity of Janus kinases and are useful in the treatment of diseases related to activity of Janus kinases including, for example, immune-related diseases, skin disorders, myeloid proliferative disorders, cancer, and other diseases.
A class of pyrazole derivatives is described for use in treating p38 kinase medicated disorders. Compounds of particular interest are defined by Formula IA
wherein R
1
, R
2
, R
3
and R
4
are as described in the specification.