4-Heteroaryl-3-heteroarylidenyl-2-indolinones and their use as protein kinase inhibitors
申请人:——
公开号:US20020187978A1
公开(公告)日:2002-12-12
The present invention relates to certain 4-heteroaryl-3-heteroarylidenyl-2-indolinones compounds and their physiologically acceptable salts which modulate the activity of protein kinases (“PKs”), in particular CDK2. The compounds of the present invention are therefore useful in treating disorders related to abnormal PK activity. Pharmaceutical composition containing these compounds and methods of preparing these compounds are also described.
Tetraphosphine/palladium-catalyzed Suzuki-Miyaura coupling of heteroaryl halides with 3-pyridine- and 3-thiopheneboronic acid: an efficient catalyst for the formation of biheteroaryls
作者:Kun Wang、Qi Fu、Rong Zhou、Xueli Zheng、Haiyan Fu、Hua Chen、Ruixiang Li
DOI:10.1002/aoc.2965
日期:2013.4
tetraphosphine N,N,N′,N′‐tetra(diphenylphosphinomethyl)‐1,2‐ethylenediamine (L1) associated with [Pd(η3‐C3H5)Cl]2 affords an efficient catalyst for Suzuki–Miyauracoupling of 3‐pyridineboronic acid with heteroaryl bromides. Reaction could be performed with as little as 0.02 mol% catalyst and a high turnover number of 2500 is obtained. A wide range of substrates is investigated with satisfactory yields, and good
4-heteroaryl-3-heteroarylidenyl-2-indolinones and their use as protein kinase inhibitors
申请人:Sugen, Inc.
公开号:US20040097497A1
公开(公告)日:2004-05-20
The present invention relates to certain 4-heteroaryl-3-heteroarylidenyl-2-indolinones compounds and their physiologically acceptable salts which modulate the activity of protein kinases (“PKs”), in particular CDK2. The compounds of the present invention are therefore useful in treating disorders related to abnormal PK activity. Pharmaceutical composition containing these compounds and methods of preparing these compounds are also described.
Enabling Suzuki–Miyaura coupling of Lewis-basic arylboronic esters with a nonprecious metal catalyst
作者:Michael C. Haibach、Andrew R. Ickes、Sergei Tcyrulnikov、Shashank Shekhar、Sebastien Monfette、Rafal Swiatowiec、Brian J. Kotecki、Jason Wang、Amanda L. Wall、Rodger F. Henry、Eric C. Hansen
DOI:10.1039/d2sc03877c
日期:——
activation by n-BuMgCl, this complex can catalyze the coupling of synthetically important heteroaryl pinacolborons with heteroarylhalides. Mildly basic conditions (aqueous K3PO4) allow the reaction to tolerate sensitive functional groups that were incompatible with other Ni-SMC methods. Experimental and computational studies suggest that catalyst inhibition by substitution of PPh2Me from Ni(II) intermediates
贵金属催化剂的高成本和对环境的负面影响导致对铃木-宫浦偶联(SMC)等广泛应用的反应的非贵金属替代品的需求增加。该反应的镍催化版本未能与路易斯碱性芳基硼亲核试剂(尤其是频哪醇硼酯)实现高反应性。我们描述了 (PPh 2 Me) 2 NiCl 2的开发,作为一种廉价且空气稳定的预催化剂,可以解决这一挑战。在n -BuMgCl 的活化下,该配合物可以催化合成上重要的杂芳基频哪醇硼与杂芳基卤化物的偶联。温和的碱性条件(K 3 PO 4水溶液)允许反应耐受与其他 Ni-SMC 方法不相容的敏感官能团。实验和计算研究表明,相对于 Ni-SMC 中更常用的配体,通过路易斯碱性反应物和产物取代 Ni( II ) 中间体中的 PPh 2 Me 来抑制催化剂是不利的,这使得它能够在存在路易斯碱,例如无位阻吡啶。
Somei, Masanori; Amari, Hirokuni; Makita, Yoshihiko, Chemical and pharmaceutical bulletin, 1986, vol. 34, # 9, p. 3971 - 3973