Metal-free synthesis of benzimidazo[2,1-a]ellipticines via tandem inter and intramolecular cyclization
Metal-free synthesis of benzimidazo[2,1-a]ellipticines via tandem inter and intramolecular cyclization
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Date
2011-09-09
Authors
Chaitanya, T. Krishna
Prakash, K. S.
Nagarajan, Rajagopal
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Abstract
Synthesis of the new benzimidazo[2,1-a]ellipticine derivatives via tandem inter and intramolecular, 5-endo,6-endo cyclization of various 9-ethyl-2-(alkynyl)carbazole-3-carbaldehydes with different 1,2-aryldiamines is reported under metal free condition in good yields. © 2011 Elsevier Ltd. All rights reserved.
Description
Keywords
1,2-Aryldiamines,
5-endo,6-endo Cyclization,
Benzimidazo[2,1-a]ellipticine derivatives,
Metal-free synthesis,
Tandem cyclization
Citation
Tetrahedron. v.67(36)