<scp>
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/Zn powder: An efficient, chemoselective reducing catalyst for the microwave‐assisted synthesis of 2,3‐disubstituted quinolines via tandem Knoevenagel condensation
作者:Syed Tasqeeruddin、Yahya I. Asiri、Syeda Shaheen
DOI:10.1002/jhet.4203
日期:2021.2
An efficient, a hitherto unreported, sustainable, and environmentally friendly microwave‐assisted synthesis of 2,3‐disubstituted quinolines by reductive cyclization of 2‐nitrobenzaldehydes and various active methylene compounds via tandem Knoevenagel condensation promoted by an efficient eco‐friendly, chemoselective reducing catalyst ammonium chloride (NH4Cl) and zinc powder was developed. This present
A facile synthesis of annelated pyridines from β-formyl enamides under microwave irradiation
作者:Utpal Sharma、Shahadat Ahmed、Romesh C Boruah
DOI:10.1016/s0040-4039(00)00405-6
日期:2000.4
The condensation of beta-formyl enamides with cyanomethylenes under microwave irradiation is catalysed by basic alumina to afford fused pyridines in excellent yields. (C) 2000 Elsevier Science Ltd. All rights reserved.
Facile and Efficient Synthesis of 2-Aminoquinoline Derivatives Reduced by Zn/AcOH
作者:Guolan Dou、Deming Wang、Daqing Shi
DOI:10.3987/com-15-13368
日期:——
In this paper, a simple and efficient method for one-pot synthesis of 2-aminoquinolines was accomplished in good yields via reductive cyclization of nitro and cyano groups mediated by zinc/acetic acid is reported.