Synthesis of Flavanone and Quinazolinone Derivatives from the Ruthenium-Catalyzed Deaminative Coupling Reaction of 2′-Hydroxyaryl Ketones and 2-Aminobenzamides with Simple Amines
作者:Krishna Gnyawali、Pandula T. Kirinde Arachchige、Chae S. Yi
DOI:10.1021/acs.orglett.1c03870
日期:2022.1.14
deaminative coupling reaction of 2′-hydroxyaryl ketones with simple amines to form 3-substituted flavanone products. The analogous deaminative coupling reaction of 2-aminobenzamides with branched amines directly formed 3,3-disubstituted quinazolinone products. The catalytic method efficiently installs synthetically useful flavanone and quinazolinone core structures without employing any reactive reagents.
AuI-Catalyzed Direct Hydroamination/Hydroarylation and Double Hydroamination of Terminal Alkynes
作者:Nitin T. Patil、Pediredla G. V. V. Lakshmi、Vipender Singh
DOI:10.1002/ejoc.201000389
日期:2010.8
An efficient method for formal Markownikoff hydroamination/hydroarylation and doublehydroamination of terminalalkynes has been developed. For example, treatment of terminalalkynes with amino-aromatics or diamines in the presence of 2-5 mol-% of Ph 3 PAuNTf 2 in toluene at 100 °C gave the corresponding products in excellent yields. The method was shown to be applicable to a broad range of substrates
precursors has been developed to construct sulfides, disulfides, selenides, sulfoxides and sulfones. Combining this deacylative process with SN2 or coupling reactions provides novel and convenient modular approaches toward unsymmetrical or symmetrical disulfides.
已经开发出一种使用无张力甲基酮作为自由基前体的温和光催化脱酰策略来构建硫化物、二硫化物、硒化物、亚砜和砜。将此脱酰过程与 S N 2 或偶联反应相结合,为不对称或对称二硫化物提供了新颖且方便的模块化方法。
YAMATO, MASATOSHI;HORIUCHI, JIROH;TAKEUCHI, YASUO, CHEM. AND PHARM. BULL., 1981, 29, N 11, 3124-3129