在氯化铝存在下用苯胺处理的2-氨基苄腈分别得到2-氨基-N-芳基苯甲m。通过在甲酸中加热2-氨基-N-芳基苯甲m直接获得在2位上没有取代基的4-芳基氨基喹唑啉;在类似条件下,其他羧酸不与the反应。当用醛处理时,后者得到2-芳基-4-芳基氨基-1 H -2,3-二氢喹唑啉易于被高锰酸钾氧化成2-芳基-4-芳基氨基喹唑啉。
在氯化铝存在下用苯胺处理的2-氨基苄腈分别得到2-氨基-N-芳基苯甲m。通过在甲酸中加热2-氨基-N-芳基苯甲m直接获得在2位上没有取代基的4-芳基氨基喹唑啉;在类似条件下,其他羧酸不与the反应。当用醛处理时,后者得到2-芳基-4-芳基氨基-1 H -2,3-二氢喹唑啉易于被高锰酸钾氧化成2-芳基-4-芳基氨基喹唑啉。
A simple and palladium-catalyzed procedure for synthesis of a novel series of potentially biologically active trifluoromethyl-substituted quinazolinones and N-arylquinazoline derivatives via condensation-cyclization reaction of 2-aminobenzamide, 2-amino-N′-arylbenzimidamides and 2-amino-N′-benzylbenzimidamides with trifluoroacetimidoyl chlorides has been developed. noteworthy, this investigation showed
Synthesis of N-aryl-3H-indazol-3-imine and N-aryl-1H-indazol-3-amine via Na2WO4/H2O2 mediated by intramolecular N–N coupling
作者:Mahdieh Sadat Sajadi、Ali Darehkordi、Seyed Mohammad Sadegh Hosseini
DOI:10.1016/j.tet.2021.132023
日期:2021.3
convenient method for synthesis of N-aryl-1H-indazol-3-amine and N-aryl-3H-indazol-3-imine compounds has been described via intramolecular oxidative cyclization of the 2-amino-Nˊ-arylbenzimidamide intermediates by Na2WO4/H2O2 in excellent yields. This procedure has several advantages such as mild reaction conditions, shortreaction time, and excellent yields, making this methodology practical.
已经描述了一种通过N-芳基-1H-吲唑-3-胺和N-芳基-3H-吲唑-3-亚胺化合物的快速方便的合成方法,该方法是通过分子内2-氨基-Naryl-芳基苯甲酰胺酰胺中间体的氧化环化反应。 Na 2 WO 4 / H 2 O 2的产率很高。该方法具有许多优点,例如温和的反应条件,短的反应时间和优异的收率,使得该方法实用。
10.3184/030823410x12901690053355
作者:Abdel-Latif, Fathy F.、Ei-Shaieb, Kamal M.、El-Deen, Ahmed G.
DOI:10.3184/030823410x12901690053355
日期:——
Synthesis of 4-arylaminoquinazolines via 2-amino-N-arylbenzamidines
作者:Wojciech Szczepankiewicz、Jerzy Suwiński
DOI:10.1016/s0040-4039(97)10864-4
日期:1998.3
A new synthesis of twelve 4-arylaminoquinazolines from 2-amino-N-arylbenzamidines and formic acid is described. The entering amidines were obtained in the reaction of anthranilonitrile with 50% molar excess of aromatic amines and anhydrous aluminium chloride. (C) 1998 Elsevier Science Ltd. All rights reserved.