最近,水性胶束介质中的光催化为激活强碳卤键开辟了广阔的途径。然而,到目前为止,它主要探索了强烈的还原条件,将可用的化学空间限制为自由基或阴离子反应性。在这里,我们展示了一种可控的光催化策略,该策略通过自由基或阳离子途径引导氯化苯甲酰胺的反应,从而实现化学发散的 C-H 芳基化或N-脱烷基化。该催化系统在温和的条件下运行,亚甲基蓝作为光催化剂,蓝色 LED 作为光源。介绍了决定底物反应性、选择性和初步机理研究的因素。
作者:Robin B. Bedford、Jens U. Engelhart、Mairi F. Haddow、Charlotte J. Mitchell、Ruth L. Webster
DOI:10.1039/c0dt00385a
日期:——
The solvent-free, palladium-catalysed reaction of anilides with CuCl2 in the presence or absence of copper acetate yields ortho-chlorinated anilides in good to excellent yields, even on a large scale (100 mmol). By contrast, the equivalent reactions with copper bromide, either solvent free or in 1,2-dichloroethane, in the presence or absence of palladium, under air or inert conditions, gave the products
Cp*Co(III)-Catalyzed Coupling of Benzamides with α,β-Unsaturated Carbonyl Compounds: Preparation of Aliphatic Ketones and Azepinones
作者:Paula G. Chirila、Joshua Adams、Amir Dirjal、Alex Hamilton、Christopher J. Whiteoak
DOI:10.1002/chem.201705785
日期:2018.3.7
substrates with α,β‐unsaturated ketones has been optimized, providing a facile route towards aliphatic ketone products. When employing α,β‐unsaturated aldehydes as coupling partners, under the optimized protocol, a cascade reaction forming azepinones has also been developed. Finally, DFT studies have demonstrated how stabilization of a metallo‐enol intermediate when employing α,β‐unsaturated ketones is
已对具有α,β-不饱和酮的苯甲酰胺底物的Cp * Co III催化的CH-H官能化进行了优化,从而提供了一条通往脂肪族酮产品的简便途径。当使用α,β-不饱和醛作为偶联伙伴时,在优化方案下,还形成了形成a庚酮的级联反应。最后,DFT研究表明,当使用α,β-不饱和酮时,金属烯醇中间体的稳定化是导致观察到的脂肪族酮产物而不是使用α,β-不饱和酯作为偶联伙伴的烯烃产物的驱动力。
COMPOUNDS FOR MODULATING ADENOSINE A2B RECEPTOR AND ADENOSINE A2A RECEPTOR
申请人:Corvus Pharmaceuticals, Inc.
公开号:EP3616753A1
公开(公告)日:2020-03-04
Disclosed herein, inter alia, are compounds of formula (I) and their use in methods for modulating Adenosine Receptors.
本公开的内容包括式(I)的化合物及其在调节腺苷受体的方法中的应用。
Ruthenium-Catalyzed C-H Selenylations of Benzamides
with 1,2‐diphenyldiselane by robust ruthenium catalyst were achieved with ample scope under mild reaction conditions. This general approach offered a straightforward access to various functional group substituted diarylselenide containing compounds. The plausible mechanism was proposed after the detailed mechanistic studies.
Novel [1,2,4]Triazolo[4,3-a]Quinoxaline Derivative, Method For Preparing Same, And Pharmaceutical Composition For Preventing Or Treating BET Protein-Related Diseases, Containing Same As Active Ingredient
申请人:Dong Wha Pharm. Co., Ltd.
公开号:US20200039984A1
公开(公告)日:2020-02-06
Provided are a novel [1,2,4]triazolo[4,3-a]quinoxaline derivative, a method for preparing the same, and a pharmaceutical composition for preventing or treating bromodomain extra-terminal (BET) protein-related diseases including cancer and autoimmune diseases, containing the same as an active ingredient.