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Organocatalyst Mediated One Pot Synthesis of 4H-furo[3,4-b]pyran, 4H-benzo[ g]chromene and 1H-benzo[b]xanthene Derivatives in Aqueous Medium: A Green Approach

[ Vol. 5 , Issue. 1 ]

Author(s):

Shailesh Singh, Jyoti Tiwari, Deepali Jaiswal, Amit Kumar Sharma, Jaya Singh, Vandana Singh* and Jagdamba Singh*   Pages 51 - 57 ( 7 )

Abstract:


Introduction: 4H-furo[3,4-b]pyran, 4H-benzo[g]chromene and1H-benzo[b]xanthene derivatives have been efficiently synthesized in water using glycine as organocatalyst.

Methods and Results: The key aspects of the present method are (1) The use glycine as organcatalyst which is metal free and in expensive (2) The synthesis was performed in water which is an ecofriendly solvent.

Conclusion: Our reported protocol has several advantages like environmentally benign reaction conditions, operational simplicity, high atom economy, cost effectiveness and excellent yield.

Keywords:

1H- benzo[b]xanthenes, 4H-benzo[g]chromene, 4H-furo[3, 4-b]pyrans, glycine, organocatalyst.

Affiliation:

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, Ghaziabad-201005, Department of Chemistry, University of Allahabad, Allahabad-211002, Environmentally Benign Synthesis Lab, Department of Chemistry, University of Allahabad, Allahabad-211002

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