Alkyllithium compounds containing cyclic amines and their...

C - Chemistry – Metallurgy – 07 – F

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C07F 1/02 (2006.01)

Patent

CA 2168499

An organolithium compound according to the present invention containing a cyclic amino group, has the general formula: Image wherein R1 is a divalent alkylene, an oxy- or amino-alkylene, or substituted alkylene having from 6 to about 20 carbon atoms; R2 is a linear-, branched-, or cyclo-alkylene having from about 2 to about 20 carbon atoms; and the lithium, Li, is bonded directly to a carbon atom of R2. A method of preparing an organolithium compound containing a cyclic amino group, comprising reacting a cyclic amino organo halide having the general formula Image where R1 and R2 are as above, and X is bromine or chlorine bonded directly to a carbon atom of R2, with a lithium reactant selected from lithium metal or an organolithium compound.

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