sphinomethyl)cyclopentane as a catalyst, a range of aryl bromides and chlorides undergoes Suzuki cross-coupling with alkylboronic acids in good yields. Several alkyl substituents such as ethyl, n-butyl, n-octyl, isobutyl or 2,2-dimethylpropyl on the alkylboronic acids have been successfully used. The functional group tolerance on the arylhalide is remarkable; substituents such as fluoro, methyl, methoxy
通过使用[PdCl(C 3 H 5)] 2 /顺式,顺式,顺式-1,2,3,4-四(二苯基膦甲基)环戊烷作为催化剂,一系列芳基溴化物和氯化物进行铃木交叉偶联与烷基硼酸的收率很好。几个烷基取代基,例如乙基,正丁基,n已经成功地使用了烷基硼酸上的-辛基,异丁基或2,2-二甲基丙基。芳基卤对官能团的耐受性显着;可以容忍诸如氟,甲基,甲氧基,乙酰基,甲酰基,苯甲酰基,硝基或腈之类的取代基。此外,该催化剂即使在位阻芳基溴的反应中也可以低负荷使用。
[EN] SULPHONAMIDES AND COMPOSITIONS THEREOF FOR TREATING CONDITIONS ASSOCIATED WITH NLRP ACTIVITY<br/>[FR] SULFONAMIDES ET COMPOSITIONS ASSOCIÉES POUR LE TRAITEMENT D'ÉTATS PATHOLOGIQUES ASSOCIÉS À UNE ACTIVITÉ DE NLRP
申请人:IFM TRE INC
公开号:WO2019079119A1
公开(公告)日:2019-04-25
In one aspect, compounds of Formula AA, or a pharmaceutically acceptable salt thereof, are featured: wherein the variables shown in Formula AA can be as defined anywhere herein. Compounds AA are modulators of NLRP1 and/or NLRP3
Modular Synthesis of Polysubstituted Quinolin-3-amines by Oxidative Cyclization of 2-(2-Isocyanophenyl)acetonitriles with Organoboron Reagents
作者:Shihui Wang、Jian Xu、Qiuling Song
DOI:10.1021/acs.orglett.1c02373
日期:2021.9.3
quinolin-3-amines. 2-(2-Isocyanophenyl)acetonitriles and organoboronreagents are suitable substrates for this reaction. The remarkable advantages of this protocol are the practical method, mild approach, high reaction efficiency, and good compatibility of functional groups, providing straightforward access to functional quinoline derivatives.
Arylketones as Aryl Donors in Palladium-Catalyzed Suzuki–Miyaura Couplings
作者:Zhen-Yu Wang、Biao Ma、Hui Xu、Xing Wang、Xu Zhang、Hui-Xiong Dai
DOI:10.1021/acs.orglett.1c03048
日期:2021.11.5
Herein, we report the arylation, alkylation, and alkenylation of aryl ketones via a palladium-catalyzed Suzuki–Miyaura cross-coupling reaction. The use of the pyridine-oxazoline ligand is the key to the cleavage of the unstrained C–C bond. The late-stage arylation of aryl ketones derived from drugs and natural products demonstrated the synthetic utility of this protocol.