Regioselective synthesis of 4 '-amino-1 ' H-spiro[cyclohexane-1,2 '-(pyrimido [1,2-albenzimidazole)]-3 '-carbonitrile in aqueous medium


Dandia, A., Sarawgi, P., Bingham, A.L., Drake, J.E., Hursthouse, M.B., Light, M.E. and Ratnani, R. (2007) Regioselective synthesis of 4 '-amino-1 ' H-spiro[cyclohexane-1,2 '-(pyrimido [1,2-albenzimidazole)]-3 '-carbonitrile in aqueous medium. Journal of Chemical Research-S, S, (3), 155-159. (doi:10.3184/030823407X198582).

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Original Publication URL: http://dx.doi.org/10.3184/030823407X198582

Description/Abstract

A simple, mild and environment-friendly procedure for synthesis of 4'-amino-1'H-spiro[cyclohexane-1,2'-(pyrimido[1,2-a]benzimidazole)]-3'-carbonitrile is developed using microwave irradiation in water. The product is obtained in short time, in excellent yield, and in a good state of purity. The reaction pathway and the influence of reaction conditions on regiochemistry are also investigated. The regioselectivity in this process is confirmed chemically and by single-crystal X-ray molecular structure determination.

Item Type: Article
ISSNs: 0308-2342 (print)
Related URLs:
Keywords: fused pyrimidines, aqueous media, benzimidazoles, 2-aminobenzimidazole derivatives, biological importance, crystal-structure, synthesis, green chemical-synthesis, microwave irradiation, heterocyclic, part 5, combinatorial library, , microwave irradiation, efficient, one-pot synthesis
Subjects: Q Science
Q Science > QD Chemistry
Divisions: University Structure - Pre August 2011 > School of Chemistry
ePrint ID: 54277
Date Deposited: 31 Jul 2008
Last Modified: 27 Mar 2014 18:37
URI: http://eprints.soton.ac.uk/id/eprint/54277

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