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Synthesis 2006(8): 1273-1278  
DOI: 10.1055/s-2006-926400
PAPER
© Georg Thieme Verlag Stuttgart · New York

Synthesis of New β-Carboline Derivatives via 1,7-Electrocyclisation of Azomethine Ylides

Miklós Nyerges*a, Andrea Virányib, Judit Tóthb, Gábor Blaskóc, László Tőkeb
a Organic Chemical Technology Research Group of the Hungarian Academy of Sciences, Budapest University of Technology and Economics, P.O.B. 91, 1521 Budapest, Hungary
Fax: +36(1)4633648; e-Mail: mnyerges@mail.bme.hu;
b Department of Organic Chemical Technology, Budapest University of Technology and Economics, P.O.B. 91, 1521 Budapest, Hungary
c EGIS Pharmaceuticals Ltd., P.O.B. 100, 1475 Budapest, Hungary
Further Information

Publication History

Received 16 September 2005
Publication Date:
27 March 2006 (online)

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Abstract

A new route to the benzo[5,6]azepino[2,1-a]-β-carboline and indazolo[3,2-a]-β-carboline ring systems has been developed via the 1,7-dipolar electrocyclisation reactions of azomethine ylides derived from easily available β-carboline derivatives.

Key words

electrocyclic reactions - heterocycles - tandem reactions - ylides