[EN] TRANSITION-METAL CHARGE-TRANSPORT MATERIALS, METHODS OF FABRICATION THEREOF, AND METHODS OF USE THEREOF [FR] MATERIAUX DE TRANSPORT DE CHARGE DE METAUX DE TRANSITION, LEURS PROCEDES DE FABRICATION ET D'UTILISATION
Samarium diiodide promoted formation of 1,2-diketones and 1-acylamido-2-substituted benzimidazoles from N-acylbenzotriazoles
作者:Xiaoxia Wang、Yongmin Zhang
DOI:10.1016/s0040-4020(03)00575-1
日期:2003.6
N-Acylbenzotriazoles, when treated with samarium diiodide in THF, undergo self-coupling reaction to afford 1,2-diketones in good to excellent yields; while when treated with samarium diiodide in CH3CN, they undergo ring-opening reaction to afford 1-acylamido-2-alkyl (or aryl) benzimidazoles in reasonable to good yields. A plausible mechanism was suggested.
Transition-Metal Charge Transport Materials, Methods Of Fabrication Thereof, And Methods Of Use Thereof
申请人:Seth Marder
公开号:US20080121870A1
公开(公告)日:2008-05-29
Briefly described, embodiments of this disclosure include transition-metal charge-transport materials, methods of forming transition-metal charge-transport materials, and methods of using the transition-metal charge-transport materials.
Transition-metal charge-transport materials, methods of fabrication thereof, and methods of use thereof
申请人:Georgia Tech Research Corporation
公开号:US07842830B2
公开(公告)日:2010-11-30
Briefly described, embodiments of this disclosure include transition-metal charge-transport materials, methods of forming transition-metal charge-transport materials, and methods of using the transition-metal charge-transport materials.
An electrochemical synthesis of N-acylbenzotriazoles has been developed under mild conditions with good to excellent yields using aldehydes and benzotriazole as starting materials. In addition, a one-pot reaction of aldehyde, benzotriazole and phenol has been achieved affording phenolic esters in moderate yields under the combination of electricity-on/off conditions, where N-acyl benzotriazole acted
[image omitted] Catalyzed by ferric chloride hexahydrate (FeCl3 center dot 6H2O), the acylation of sodium azide with N-acylbenzotriazoles was greatly accelerated in a mixed solvent of acetone and water. Thus, good to excellent yields of a variety of acyl azides were obtained at room temperature in a short time. Furthermore, because of the complete conversion of N-acylbenzotriazoles and the easy removal of the by-product, purification by column chromatography was no longer required, which made the protocol suitable for large-scale preparation.