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An Efficient, Convenient and One-pot Synthesis of Diversified Benzochromenes Using L-valine as an Organocatalyst: A Green Protocol

[ Vol. 7 , Issue. 3 ]

Author(s):

Jyoti Tiwari, Swastika Singh, Deepali Jaiswal, Amit Kumar Sharma, Shailesh Singh, Jaya Singh and Jagdamba Singh*   Pages 202 - 208 ( 7 )

Abstract:


Background: A versatile, facile, one-pot multi-component protocol for the synthesis of 4Hbenzochromenes using L- valine as organocatalyst in aqueous medium has been developed.

Methods: Superior catalytic performance of L- valine, operational simplicity, easy workup procedure and recyclability of the catalyst are the key strengths of reported strategy.

Results: Therefore, it is a green alternative to the existing protocols.

Conclusion: This method offers mild reaction conditions, the use of easily available cheap reagents, short reaction times, excellent yields and high atom economy.

Keywords:

L- valine, amino acid, multicomponent, 4H- Benzochromenes, water, organocatalyst.

Affiliation:

Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002, Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002, Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002, Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002, Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002, Department of Chemistry, LRPG College, Sahibabad, Uttar Pradesh, Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002



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