Microwave Assisted Synthesis of Ethyl 2-(4-aminophenyl) Acetate Using Novozyme 435

ISSN: 2211-5455 (Online)
ISSN: 2211-5447 (Print)

Volume 6, 3 Issues, 2017

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Current Catalysis

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Shaobin Wang
Curtin University
Perth, WA 6845 U1987

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Microwave Assisted Synthesis of Ethyl 2-(4-aminophenyl) Acetate Using Novozyme 435

Current Catalysis, 3(1): 27-34.

Author(s): Jyoti B. Sontakke and Ganapati D Yadav.

Affiliation: Department of Chemical Engineering, Institute of Chemical Technology, Matunga, Mumbai – 400 019, India.


Ethyl 2-(4-aminophenyl) acetate is an important intermediate in the synthesis of Actarit, an antiarthritic drug. In the present study, synthesis of ethyl 2-(4-aminophenyl) acetate using Novozyme 435 in toluene as a solvent has been carried out under both conventional heating and microwave irradiation. A number of commercially available lipases such as Novozyme 435, Lipozyme RM IM and Lipozyme TL IM were screened. Novozyme 435 was found to be the most active. Optimization of reaction parameters such as speed of agitation, temperature, catalyst loading and mole ratio of the reactants has been done. A synergistic effect of microwave irradiation on reaction rate and specificity of lipases was observed in comparison with the conventional heating. Kinetic modeling showed that reaction followed ping-pong bi-bi mechanism. The theoretical predictions of rates match very well with experimental rates.


Actarit, Esterification, Ethyl 2-(4-aminophenyl) acetate, Kinetic modeling, Microwaves, Novozyme 435.

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Article Details

Volume: 3
Issue Number: 1
First Page: 27
Last Page: 34
Page Count: 8
DOI: 10.2174/22115447113026660020
Global Biotechnology Congress 2017Drug Discovery and Therapy World Congress 2017

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