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Rapid Ecofriendly Synthesis of Benzocoumarins by Microwave Irradiation and Their Antimicrobial Screening

Journal: Current Research in Pharmaceutical Sciences (Vol.1, No. 1)

Publication Date:

Authors : ; ; ;

Page : 34-36

Keywords : ;

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Benzo-annulated coumarin derivatives show wide application in organic light-emitting devices and are used as electron transporting emitters. In addition, coumarin family is an important building block for the synthesis of a variety of fascinating polycyclic unnatural products. 5-6Benzocoumarin derivatives show antimicrobial, antiinflammatory and anticancer activities. The utility of microwaves in heterocyclic synthesis is now receiving considerable attention. As a part of our study, aiming to explore potential utility of microwaves as an energy source for heterocyclic synthesis, it has been reported that synthesis of benzocoumarins of potential interest as pharmaceuticals and/or photochromic dyes and investigation of the possibility of conducting these reactions under microwave irradiation in addition to the standard thermal conditions has taken place. The compounds are synthesized by conventional and microwave method. Malonamic acid of 4-Chloro-2,5-dimethoxy aniline was treated with 2-hydroxy-1-naphthaldehyde. The synthesis by microwave provides better yield, more pure compounds and cleaner synthesis route. This study explains the synthesis and wide range of pharmaceutical properties of new substituted benzocoumarins. Keywords: Benzocoumarins, schiff bases, microwave irradiation, antimicrobial activities.

Last modified: 2017-06-06 21:48:58