Chemetall Gmbh

Rainer Aul

Ute Emmel

Peter Rittmeyer

Ulrich Wietelmann

Wilfried Weiss

A synthesis agent containing methyllithium and lithium bromide is described, in which MeLi and LiBr are dissolved in a solvent of the general formula (I) wherein Rand Rindependently of one another are H, methyl (Me) or ethyl (Et), and Rand Rare Me or Et,the molar ratio of LiBr to MeLi being at least 0.7 and not more than 1.5 and the methyllithium concentration being at least 4 wt. %.

Synthesis agent containing methyllithium/lithium bromide, and process for the preparation thereof

This patent describes a solution of ethyllithium in dibutyl ether, a non-pyrophoric solution of ethyllithium in dibutyl ether in a concentration of 7 to 8%, a non-pyrophoric solution of ethyllithium in dibutyl ether and in a hydrocarbon in a concentration of 2 to 8%, process for preparing the solutions and the use of the solutions.

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Rodgau, Germany

Rainer Aul