Bioglycerol-derived carbon−SO3H as a recyclable catalyst for the synthesis of tetrahydro-β-carbolines-Reference-Cited by-同舟云学术

Bioglycerol-derived carbon−SO3H as a recyclable catalyst for the synthesis of tetrahydro-β-carbolines

Published:2015-03 Issue:3 Volume:93 Page:341-347
ISSN:0008-4042
Container-title:Canadian Journal of Chemistry
language:en
Short-container-title:Can. J. Chem.

Author:

Reddy G. Niranjan¹,Rao B. Maheshwar¹,Vijay M.²,Devi B.L.A. Prabhavathi²,Prasad R.B.N.²,Reddy B.V. Subba¹

Affiliation:

1. Natural Product Chemistry, Indian Institute of Chemical Technology, Hyderabad 500 007, India.

2. Center for Lipid Research, Indian Institute of Chemical Technology, Hyderabad 500 007, India.

Abstract

A variety of aldehydes undergo smooth coupling with N-tosyltryptamine in the presence of carbon−SO3H in ethanol at 80 °C to furnish the corresponding tetrahydro-β-carbolines in excellent yields with high selectivity. The coupling of tryptamine with isatins affords the respective spiro-tetrahydro-β-carbolines in good yields. The use of a recyclable solid acid catalyst makes this method simple, convenient, and cost-effective.

Publisher

Canadian Science Publishing

Subject

Organic Chemistry,General Chemistry,Catalysis

Link

http://www.nrcresearchpress.com/doi/pdf/10.1139/cjc-2014-0350

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