Pd−Catalyzed Domino Alkyne Dimerization/Double [2+2] Allenyne Cycloaddition

¹ Departamento de Química Orgánica I, Facultad de Química.Universidad Complutense de Madrid, 28040 Madrid, Spain
² Instituto de Química Orgánica General, Consejo Superior de Investigaciones Científicas, CSIC. Juan de la Cierva 3, 28006 Madrid, Spain

Published: 01 November 2009 by MDPI in The 13th International Electronic Conference on Synthetic Organic Chemistry session General Organic Synthesis

https://doi.org/10.3390/ecsoc-13-00252

Abstract: An efficient and controlled Pd−catalyzed synthesis of attached-ring bis(dihydropyran) fused cyclobutenes via alkyne dimerization followed by double [2+2] cyclization of the resulting bis(allenyne) in a domino sequence has been accomplished.

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