Organolithium process

Details Organolithium process Organolithium process

1995-06-07

1996-06-04

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

556482, 556485, 260665R, 568671, C07F 708, C07F 718, C07F 102, C07F 104

Patent

active

055234470

ABSTRACT:
A process for preparing easily separable solutions of organolithium compounds comprising the steps of reacting lithium metal, in the form of cast or extruded ingots or pieces cut therefrom, with an organo halide in mole ratios ranging from 3:1 to 20:1 in a solvent selected form a group of liquid hydrocarbons, alkyl ethers, and mixtures thereof under an inert atmosphere for one to ten hours with moderate stirring, cooling the resulting product, and separating the solution of the organolithium compound from the reacted lithium metal and by-product lithium chloride in the reactor.

REFERENCES:
patent: 5211887 (1993-05-01), Morrison et al.
patent: 5211888 (1993-05-01), Morrison et al.
patent: 5321148 (1994-06-01), Schwindeman
patent: 5331058 (1994-07-01), Shepherd et al.
patent: 5332533 (1994-07-01), Schwindeman et al.
patent: 5340507 (1994-08-01), Morrison et al.
patent: 5362699 (1994-11-01), Shepherd et al.
patent: 5376745 (1994-12-01), Handlin, Jr. et al.
patent: 5378761 (1995-01-01), St. Clair
patent: 5391637 (1995-02-01), Willis et al.
patent: 5391663 (1995-02-01), Bening et al.
patent: 5393843 (1995-02-01), Handlin, Jr. et al.
patent: 5403946 (1995-04-01), Schwindeman
patent: 5416168 (1995-05-01), Willis et al.

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