1,1-dicyclohexyl cycloalkane derivative, method for the...

Details 1,1-dicyclohexyl cycloalkane derivative, method for the... 1,1-dicyclohexyl cycloalkane derivative, method for the...

C - Chemistry, Metallurgy

07

C

253/130, 260/690

C07C 1/24 (2006.01) C07C 1/22 (2006.01) C07C 13/18 (2006.01) C07C 13/28 (2006.01) C10M 105/04 (2006.01) C10M 171/00 (2006.01)

Patent

CA 1322770

ABSTRACT OF THE DISCLOSURE The invention provides a novel compound 1,1-dicyclohexyl cycloalkane derivative represented by the general formula Image , in which R1 and R2 are each a hydrogen atom or lower alkyl group, R3 to R6 are each n hydrogen atom, lower alkyl group or alkylene group forming a ring structure together with either one of the others and the carbon atom in the cycloalkane ring, and m and n are each zero or a positive integer not exceeding 6 with the proviso that m+n is 4-6, such as 1,1-dicyclohexyl cyclohexane. The compound has a relatively low viscosity and high traction coefficient even at elevated temperatures so that it is useful as a constituent of a traction-drive fluid usable in a compact and light-weight traction-drive apparatus. The compound can be synthesized by subjecting a corresponding 1,1-di(hydroxyphenyl) cycloalkane compound to a hydrogenation reaction and dehydration reaction in combination in the simultaneous presence of a hydrogenation catalyst and a de- hydration catalyst.

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