Effective catalytic approach of NiTiO
<sub>3</sub>
photosonocatalyst for the synthesis of indazolo[3,2‐
<i>b</i>
]quinazoline and its photophysical property
作者:Duraipandi Devi Priya、Selvaraj Mohana Roopan
DOI:10.1002/aoc.6109
日期:2021.2
A novel, flexible and strong technique for the synthesis of indazolo[3,2‐b]quinazoline motifs using NiTiO3 as a mild catalyst was reported. The reaction was effectively created utilizing 3,4‐dihydronaphthalen‐1(2H)‐one (1a), benzaldehyde (2a) and 1H‐indazol‐3‐amine (3a) by visible light/ultrasonic medium. Moreover, a proposed reaction pathway included Claisen–Schmidt condensation; Michael reaction
报道了一种新颖,灵活而强大的技术,使用NiTiO 3作为温和催化剂合成吲唑并[3,2- b ]喹唑啉基序。利用3,4-二氢萘-1(2 H)-一(1a),苯甲醛(2a)和1 H-吲哚-3-胺(3a)在可见光/超声介质中有效地产生了反应。此外,拟议的反应途径包括克莱森-施密特缩合反应。还研究了亲核内环过程的迈克尔反应和三组分多米诺公约的氧化反应。合成的化合物本质上是荧光的并且具有高的荧光量子产率。
UV-light induced domino type reactions: synthesis and photophysical properties of unreported nitrogen ring junction quinazolines
作者:Jeyakannu Palaniraja、Selvaraj Mohana Roopan
DOI:10.1039/c5ra00229j
日期:——
An expedient method for the synthesis of 5,6-dihydrobenzo[h][1,2,4]triazolo[5,1-b]quinazolines by UV light has been developed.