Patent ID: 7744784

Claim:
A process for the preparation of diorganomagnesium-containing synthesis agents and mixtures thereof with alkali-metal salts comprising reacting an alkali metal or an alloy thereof with at least one Grignard compound of formula RMgX 2 R 1 MgX or R 2 MgX and at least one organic halide of formula RX, R 1 X or R 2 X, wherein R, R 1 or R 2 are independently selected from the group consisting of methyl, ethyl, cyclopropyl, cyclopentyl, cyclohexyl, phenyl, benzyl, heteroaryl, propyl, butyl, pentyl, hexyl, heptyl and octyl, wherein the propyl, butyl, pentyl, heptyl and octoyl are branched or unbranched, and X is chlorine, bromine, iodine, tosylate or triflate.