Events The 10th International Electronic Conference on Synthetic Organic Chemistry

Event submissions

Published

This submission belongs to the session d. Symposium on Selenium and Tellurium Chemistry of the event The 10th International Electronic Conference on Synthetic Organic Chemistry

Published date

30 Nov, 2006

Citation

Alcindo A. Dos Santos, Jefferson L. Princival, João V. Comasseto, Simone M. G. de Barros, Tellurium / Lithium Exchange Reaction in the Synthesis of Spiroketals and 1,6-dioxigenated Systems, in Proceedings of The 10th International Electronic Conference on Synthetic Organic Chemistry, 1 November–30 November 2006, MDPI: Basel, Switzerland, doi: 10.3390/ecsoc-10-01433

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Tellurium / Lithium Exchange Reaction in the Synthesis of Spiroketals and 1,6-dioxigenated Systems

Alcindo A. Dos Santos ¹

Jefferson L. Princival ²

João V. Comasseto ¹

Simone M. G. de Barros ²

1. Instituto de Química, Universidade de São Paulo, C. P. 26077, 05599-070, São Paulo SP, Brazil

2. Departamento de Química Fundamental, Universidade Federal de Pernambuco, 50740-540, Recife PE, Brazil

Abstract

1,4-C,O-dianions, produced through concomitant acid / base and tellurium / lithium exchange reactions were generated. The di-lithium salts were transmetallated with CeCl 3 to the corresponding di-cerium salts and reacted with carbonyl compounds yielding spiroketals. The di-lithium entities were also converted into the corresponding cyanocuprates which add in a 1,4-maner to 2-cyclohexen-1- one giving 1,6-dioxigenated compounds.

Keywords

n/a

Preparation and structural characterization of bis(trimethylsilylmethyl) tellurium diiodide

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