Design, Synthesis and Biological Evaluation of 2-Phenylquinazolin-4-yl 4-Methylbenzenesulfonate Derivatives as Anticancer Agents via Tubulin Inhibition
atom-efficient synthesis of 2-substituted quinazolines is developed by a CsOH-mediated direct aerobic oxidative reaction of the readily available and stable 2-aminoarylmethanols and nitriles. Effectively working as the promoter in the alcohol oxidation, nitrile hydration, and cyclocondensation steps, CsOH is the best base for the reaction. A similar method can also be extended to the synthesis of substituted
A facile and versatile protocol for the one-pot PhI(OAc) 2 mediated divergent synthesis of quinazolines from 2-aminobenzylamine
作者:Moumita Saha、Prasun Mukherjee、Asish R. Das
DOI:10.1016/j.tetlet.2017.04.036
日期:2017.5
be the key reagent in absence or presence of catalytic amount of molecular iodine (I2)/zinc chloride (ZnCl2) to construct quinazoline scaffold from 2-aminobenzylamine and a variety of easily available aldehydes, aryl and aliphatic amines, aliphatic and aryl alcohols and nitriles. This protocol provides mild and robust conditions along with great versatility to synthesize 2-substituted quinazolines from
Niacin as a Potent Organocatalyst towards the Synthesis of Quinazolines Using Nitriles as C-N Source
作者:Raghuram Gujjarappa、Nagaraju Vodnala、Velma Ganga Reddy、Chandi C. Malakar
DOI:10.1002/ejoc.201901651
日期:2020.2.21
An organocatalyzed protocol has been described for the comprehensive synthesis of 2‐substituted quinazolines usingnitriles as C–N source. The developed reaction conditions are suitable for a wide range of substrates providing the desired products in excellent yields.
An efficient three-component domino reaction of 2-bromoaldehydes, benzylamines, and sodium azide has been developed for the synthesis of quinazoline derivatives. This dominoprocess involves copper-catalyzed SNAr, oxidation/cyclization, and denitrogenation sequences. The mild catalytic system enabled the effective construction of three C–N bonds in one operation.
已经开发了2-溴醛,苄胺和叠氮化钠的有效的三组分多米诺反应,用于合成喹唑啉衍生物。这种多米诺骨牌工艺涉及铜催化的S N Ar,氧化/环化和脱氮序列。温和的催化系统使一次操作即可有效构建三个C–N键。