已经开发了用于合成多种3-取代的异香豆素的有效策略。该反应由邻卤代苯甲酸和1,3-二酮经DMF中的铜(I)催化的多米诺反应,在K 3 PO 4的作用下于90-120°C下进行,没有配体,得到相应的3-取代的异香豆素衍生物的收率为好至极好。邻卤代苯甲酸可以是邻碘苯甲酸,邻溴苯甲酸和邻氯苯甲酸衍生物。1,3-二酮可以是烷基和芳基取代的1,3-二酮。
Copper nanoparticles catalyzed economical synthesis of 3-substituted isocoumarins from 2-chlorobenzoic acids/amides and 1,3-diketones
作者:Xiaowen Wang、Chaolong Wu、Youwen Sun、Xiaoquan Yao
DOI:10.1016/j.tetlet.2017.07.001
日期:2017.8
Copper nanoparticles were utilized as a highly efficient catalyst for a facile and economical synthesis of 3-substituted isocoumarins with 2-chlorobenzoic acids and 1,3-diketones as starting materials. The copper nanoparticles catalyst showed highly catalytic activity for the 2-chloro-substituted substrates to afford 3-substituted isocoumarins in good to excellent yields. Furthermore, good catalytic
Synthesis of 3-Substituted Isocoumarin Derivatives via CuI-Catalyzed Reaction of o-Bromobenzamides with 1,3-Diketones
作者:Chanjuan Xi、Shangjun Cai、Fei Wang
DOI:10.1055/s-0031-1290949
日期:2012.6
Abstract An approach to a variety of 3-substitutedisocoumarins has been developed. The reaction proceeded from o-bromobenzamide derivatives and 1,3-diketones via CuI-catalyzed reaction in DMF under the action of K3PO4 at 120 °C without ligands or additives. An approach to a variety of 3-substitutedisocoumarins has been developed. The reaction proceeded from o-bromobenzamide derivatives and 1,3-diketones
摘要 已经开发出一种用于多种3-取代的异香豆素的方法。该反应由邻溴苯甲酰胺衍生物和1,3-二酮在K 3 PO 4的作用下于120°C下在DMF中经CuI催化的反应在没有配体或添加剂的情况下进行。 已经开发出一种用于多种3-取代的异香豆素的方法。该反应由邻溴苯甲酰胺衍生物和1,3-二酮在K 3 PO 4的作用下于120°C下在DMF中经CuI催化的反应在没有配体或添加剂的情况下进行。