Method of lithiating a tertiary chloro alkyl compound and...

Details Method of lithiating a tertiary chloro alkyl compound and... Method of lithiating a tertiary chloro alkyl compound and...

C - Chemistry, Metallurgy

07

F

260/438.1, 402/7

C07F 1/02 (2006.01) C08F 8/42 (2006.01) C08F 30/04 (2006.01)

Patent

CA 1330804

ABSTRACT OF THE DISCLOSURE A method of treating a hydrocarbon con- taining a tertiary chloroalkyl groups to convert it to an allylic lithium by dehydrochlorinating the above either simultaneously or sequentially, to first dehydrochlorinate the compound to form a terminal unsaturation and then converting it to an allylic lithium derivative. Alkyl lithium is used to generate the allylic lithium derivative alone or with a complexing agent. The complexing agents are ethers, such as tetrahydrofuran, diamines with diethyldiamino ethane being a preferred one, and t-buOK. The solvents used are tetrahydrofuran, the cycloalkanes such as cyclohexane and the alkanes such as hexanes, pentanes and heptanes.

594904

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