Palladium-Catalyzed Oxidative Double CH Functionalization/Carbonylation for the Synthesis of Xanthones
作者:Hua Zhang、Renyi Shi、Pei Gan、Chao Liu、Anxing Ding、Qiuyi Wang、Aiwen Lei
DOI:10.1002/anie.201201050
日期:2012.5.21
Two at once: Xanthones with different functional groups were obtained with CO (balloon) in the presence of a simple catalytic system that consists of Pd(OAc)2, K2S2O8, and trifluoroacetic acid (see scheme). Preliminary mechanism studies reveal that the second CHfunctionalization might be the rate‐determining step.
一次两个:在简单的催化体系(由Pd(OAc)2,K 2 S 2 O 8和三氟乙酸组成)的存在下,用CO(气球)获得具有不同官能团的氧杂蒽。初步的机理研究表明,第二个CH功能化可能是决定速率的步骤。
Cross-Coupling Reactions of Aryl Halides with Amines, Phenols, and Thiols Catalyzed by an N,N′-Dioxide-Copper(I) Catalytic System
作者:Haitao Yang、Chao Xi、Zhiwei Miao、Ruyu Chen
DOI:10.1002/ejoc.201100274
日期:2011.6
reactions of various N, O, and S nucleophilic reagents with aryl halides have been successfully carried out under mild conditions by using a novel chiral N,N′-dioxide–copper(I) catalytic system as the catalyst. This versatile and efficient catalyst system has been demonstrated to facilitate the cross-coupling reactions of aryl halides with amines,phenols, and thiols to afford the corresponding desired
通过使用新型手性 N,N'-二氧化物-铜 (I) 催化体系作为催化剂,各种 N、O 和 S 亲核试剂与芳基卤化物的偶联反应已在温和条件下成功进行。这种多功能且高效的催化剂体系已被证明可促进芳基卤化物与胺、酚和硫醇的交叉偶联反应,从而以良好至极好的收率提供相应的所需产物。
Pyrazolopyrimidine derivatives or pharmaceutically acceptable salts thereof
申请人:Unoki Gen
公开号:US20070173519A1
公开(公告)日:2007-07-26
A pyrazolopyrimidine derivative represented by formula (1) and pharmaceutically acceptable salt thereof exhibit excellent inhibitory activity against MAPKAP-K2. Accordingly, medicines containing this compound as an active ingredient are expected to be effective for treating diseases mediated by MAPKAP-K2 such as, for example, inflammatory disorder, autoimmune diseases, destructive osteopathy, cancer and/or tumor growth.
The present invention encompasses compounds of the formula (I)
wherein the groups A, Cy, X1 and Y are defined herein, which are suitable for the treatment of diseases related to BTK, process of making, pharmaceutical preparations which contain compounds and their methods of use.