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|Title:||A mild, efficient and one-pot synthesis of 2-substituted benzimidazoles by ZrOCl₂.8H₂O catalyzed ring closure reaction|
|Authors:||Reddy, Ch Sanjeeva|
|Abstract:||A mild, efficient and one-pot synthesis of an array of 2-substituted benzimidazoles from an appropriate o-phenylenediamine and orthoesters such as orthoformate, orthoacetate and orthovalerate using ZrOCl₂.8H₂O, at room temperature and under microwave irradiation is described. Eco-friendly, solvent-free methodology has been employed under microwave condition. Compared with the conventional method, microwave irradiation method has the advantages of excellent yields (81-93%) and shorter reaction time (5-10 min).|
|Appears in Collections:||IJC-B Vol.47B(07) [July 2008]|
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