A new,convenient,efficient,and cost-effective one-pot synthesis of 1H-phenanthro[9,10]imidazol-2-yl from phenantherenquinone and aldehydes,using molecular iodine as catalyst is described.The present methodology offers...A new,convenient,efficient,and cost-effective one-pot synthesis of 1H-phenanthro[9,10]imidazol-2-yl from phenantherenquinone and aldehydes,using molecular iodine as catalyst is described.The present methodology offers several advantages such as excellent yields,simple procedure,shorter reaction times,and the use of inexpensive reagents.展开更多
A simple and metal-free method has been developed for the construction of quinoline-2,4-carboxylates under mild conditions via a molecular iodine-catalyzed three-component tandem reaction of arylamines, ethyl glyoxyla...A simple and metal-free method has been developed for the construction of quinoline-2,4-carboxylates under mild conditions via a molecular iodine-catalyzed three-component tandem reaction of arylamines, ethyl glyoxylate, and a-ketoesters. The present protocol provides a convenient and attractive approach to various quinoline-2,4-carboxylates in moderate to good yields with excellent functional group tolerance.展开更多
A straightforward and effective procedure for the synthesis of 14-aryl(alkyl)-14H-dibenzo[aj]xanthenes was described using a catalytic amount of molecular iodine under microwave irradiation to afford the correspondi...A straightforward and effective procedure for the synthesis of 14-aryl(alkyl)-14H-dibenzo[aj]xanthenes was described using a catalytic amount of molecular iodine under microwave irradiation to afford the corresponding xanthenes in good yields.展开更多
A new and convenient procedure is developed for the preparation of N-sulfonylbenzotriazoles from sodium sulfinates and benzotriazoles using molecular iodine as catalyst via the S-N bond formation reaction. This cataly...A new and convenient procedure is developed for the preparation of N-sulfonylbenzotriazoles from sodium sulfinates and benzotriazoles using molecular iodine as catalyst via the S-N bond formation reaction. This catalytic radical sulfonylation proceeds efficiently in air at room temperature under neutral conditions, and in short reaction time, to afford the corresponding N-sulfonylbenzotriazoles in good yields, thus extending the catalytic application of molecular iodine in organic synthesis.展开更多
文摘A new,convenient,efficient,and cost-effective one-pot synthesis of 1H-phenanthro[9,10]imidazol-2-yl from phenantherenquinone and aldehydes,using molecular iodine as catalyst is described.The present methodology offers several advantages such as excellent yields,simple procedure,shorter reaction times,and the use of inexpensive reagents.
基金supported by the Opening Project of Key Laboratory at Universities of Education Department of Xinjiang Uygur Autonomous Region (No. 2014YSHXZD01)
文摘A simple and metal-free method has been developed for the construction of quinoline-2,4-carboxylates under mild conditions via a molecular iodine-catalyzed three-component tandem reaction of arylamines, ethyl glyoxylate, and a-ketoesters. The present protocol provides a convenient and attractive approach to various quinoline-2,4-carboxylates in moderate to good yields with excellent functional group tolerance.
文摘A straightforward and effective procedure for the synthesis of 14-aryl(alkyl)-14H-dibenzo[aj]xanthenes was described using a catalytic amount of molecular iodine under microwave irradiation to afford the corresponding xanthenes in good yields.
文摘A new and convenient procedure is developed for the preparation of N-sulfonylbenzotriazoles from sodium sulfinates and benzotriazoles using molecular iodine as catalyst via the S-N bond formation reaction. This catalytic radical sulfonylation proceeds efficiently in air at room temperature under neutral conditions, and in short reaction time, to afford the corresponding N-sulfonylbenzotriazoles in good yields, thus extending the catalytic application of molecular iodine in organic synthesis.