Preparation of aryllithium compounds by metalation

Details Preparation of aryllithium compounds by metalation Preparation of aryllithium compounds by metalation

1971-10-06

1977-02-01

Hines, Robert V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260612D, 260665R, 2523635, C07C 8752, C07F 102

Patent

active

040061876

ABSTRACT:
Process of metalating benzene containing alkyl, alkoxy or dialkylamino substituents, such as toluene, anisole and N,N-dimethyl-aniline, with an organolithium compound such as sec-butyllithium adducts with styrene, in the presence of a tertiary alkyl amine (containing no methyl groups) such as triethylamine, the ratio of lithium in said organolithium compound to the tertiary alkyl amine being 1 gram atom of the lithium to from about 0.25 to about 4 gram moles of the tertiary alkyl amine.

REFERENCES:
patent: 3452111 (1969-06-01), Kamienski et al.
patent: 3492369 (1972-01-01), Naylor
patent: 3534113 (1970-10-01), Eastham et al.
patent: 3663585 (1972-05-01), Langer

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