Events The 13th International Electronic Conference on Synthetic Organic Chemistry

Event submissions

Published

This submission belongs to the session a. General Organic Synthesis of the event The 13th International Electronic Conference on Synthetic Organic Chemistry

Published date

01 Nov, 2009

Citation

Gonzalo Gómez- Campillos, Cristina Aragoncillo, Pedro Almendros, Benito Alcaide, Pd−Catalyzed Domino Alkyne Dimerization/Double [2+2] Allenyne Cycloaddition, in Proceedings of The 13th International Electronic Conference on Synthetic Organic Chemistry, 1 November–30 November 2009, MDPI: Basel, Switzerland, doi: 10.3390/ecsoc-13-00252

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

Gonzalo Gómez- Campillos ¹

Cristina Aragoncillo ¹

Pedro Almendros ²

Benito Alcaide ¹

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

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.

Keywords

DEPENDENCE OF SPECTRAL PARAMETERS IN 1H AND 13C NMR SPECTRA OF AROMATIC COMPOUNDS UPON SUBSTITUENT SPATIAL-STRUCTURAL PECULIARITIES II. Investigation of the dependence of δi H basic spectral parameters in NMR 1H spectra of C6H5X monosubstituted benzenes upon substituent constants σ

Stereoselectivity in Phenylselenoetherification of (Z)- and (E)-hex-4-en-ols Facilitated by Pyridine and Some Lewis Acids