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Journal :   Research Journal of Pharmacy and Technology

Volume No. :   5

Issue No. :  2

Year :  2012

Pages :   253-262

ISSN Print :  0974-3618

ISSN Online :  0974-360X


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Synthesis and Biological Evaluation of Some New Chalcone Derivatives For their Antimicrobial Activities



Address:   Sanjay Singh*, Sanjeev Sharma and P.S. Jadon
Sun Institute of Pharmaceutical Education and Research, Lahar, Bhind- Madhya Pradesh
Corresponding author
DOI No: Not Available

ABSTRACT:
In step-I, A solution of benzaldehyde (12 gm, 11.7 ml, 0.1 mol.) in methanol was mixed with acetophenone (10.60 gm, 10.2 ml, 0.1 mol.) and an aqueous solution of potassium hydroxide (60%) was added to it till, further no turbidity occurs. The reaction mixture was stirred for 20 hrs and kept overnight at room temperature and then it was poured into crushed ice and acidified with dilute hydrochloric acid. In step-II, A mixture of 4-bromophenyl semicarbazide (2.3 gm, 0.01 mol) and chalcone (2.08gm, 0.01 mol.) in methanol was stirred at 60-70oC for five hours in the presence of 2-3 ml of conc. hydrochloric acid. The reaction mixture was poured into a beaker containing crushed ice and allowed to stand for two hours. The precipitate so formed was filtered and washed with ice cold water followed by ice cold methanol.
KEYWORDS:
Synthesis and Biological Evaluation of Some New Chalcone Derivatives For their Antimicrobial Activities.
Cite:
Sanjay Singh, Sanjeev Sharma, P.S. Jadon. Synthesis and Biological Evaluation of Some New Chalcone Derivatives For their Antimicrobial Activities. Research J. Pharm. and Tech. 5(2): Feb. 2012; Page 253-262.
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