Li Shuai
2010
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Journal
Journal of Hebei Normal University
Abstract
As the excellent performance of diolefin fluorous liquid crystal compound,(E)-4-(trans-4-(2-(trans-4-vinylbicyclohexyl)vinyl)cyclohexyl)-3′,4′-difluorophenyl was synthesis from 4-(3,4-difluorophenyl)cyclohexanone,1,4-cyclohexanedione monoethylene acetal,and bicyclohexane-4,4′-dione momo-neopentylketal using a series classical organic reactions,which was confirmed by 1HNMR and MS.The key intermedia trans-4-(3′,4′-difluorophenyl-4-yl) cyclohexylmethyltriphenyl-phosphonium iodine and trans-4-vinylbicyclohexanecarbaldehyde were prepared.