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|Title:||An efficient synthesis of symmetrical N,N′-alkylidene bisamides catalyzed by phosphotungstic acid|
Amalraj, Savarimuthu David
|Keywords:||N,N′-alkylidene bisamides;amides;aldehydes;phosphotungstic acid|
|Abstract:||Symmetrical N,N′-alkylidene bisamides have been synthesized in excellent yield by the condensation of aromatic ′aldehydes and amides in the presence of phosphotungstic acid as a catalyst under thermal and neat microwave irradiation conditions. It is the first successful report of phosphotungstic acid being used as Brønsted acid catalyst for the preparation of symmetrical N,N′-alkylidene bisamides. The remarkable advantages offered by this method are green catalyst, mild reaction conditions, simple procedures and excellent yield of product.|
|Appears in Collections:||IJC-B Vol.50B(01) [January 2011]|
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