Silver-catalysed/microwave-assisted domino reactions of 2-alkynyl-acetophenones and 3-acetyl-2- alkynylpyridines in the presence of ammonia are widely described. In most cases the reaction give a mixture of the imino- and carbo-cyclisation products, with a general preference for the former. A plausible mechanism is proposed and the dual activity of silver salts is supported by NMR experiments.

Silver catalysed intramolecular cyclisation of 2-alkynylacetophenones and 3-acetyl-2-alkynylpyridines in the presence of ammonia

ARCADI, Antonio;
2011

Abstract

Silver-catalysed/microwave-assisted domino reactions of 2-alkynyl-acetophenones and 3-acetyl-2- alkynylpyridines in the presence of ammonia are widely described. In most cases the reaction give a mixture of the imino- and carbo-cyclisation products, with a general preference for the former. A plausible mechanism is proposed and the dual activity of silver salts is supported by NMR experiments.
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11697/2715
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