Citation: Nagnnath D.Kokare, Jaiprakash N.Sangshetti, Devanand B.Shinde. Oxalic acld as a catalyst for efficient synthesis of bis-(indolyl)methanes,and 14-aryl-14H-dibenzo[a,j]xanthenes in water[J]. Chinese Chemical Letters, ;2008, 19(10): 1186-1189. doi: 10.1016/j.cclet.2008.07.015 shu

Oxalic acld as a catalyst for efficient synthesis of bis-(indolyl)methanes,and 14-aryl-14H-dibenzo[a,j]xanthenes in water

Department of Chemical Technology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004 lMsl. India;New Drug Discovery, Wockhardt Research Centre, Aurangabad 431210(MS). India

Received Date: 7 April 2008

Fund Project: The authors are thankful to Head, Department of Chemical Technology, Dr. Babasaheb Ambedkar Marathwada University, Aurangabad 431004 (MS), India for providing laboratory facility.

A simple,efficient,and environment benign route was developed for the preparation of bis-(indolyl)methanes and 14-aryl-14H-dibenzo[a,j]xanthenes from condensation of various aromatic aldehydes or ketones with indole,and 2-naphthol,respectively,using oxalic acid catalyst in aqueous medium.Use of cheap and easily available catalyst,better yields and simple reaction protocol are the advantages of the present method.
- Oxalic acid,
- Bis-(indolyl)methanes,
- 14-Aryl-14H-dibenzo[a,j]xanthene,
- Aldehydes
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