Abstract
AbstractIn a previous communication J. Coops, J. W. Dienske and Alb. Aten, Rec. trav. chim. 57, 303 (1938). ), the hydrolysis of cis‐ and trans‐1:4‐cyclohexane‐di‐tritylether with hydrochloric acid in water and propanone. is described. In order to confirm the results obtained in that paper, a method has been worked out, by which these ethers are quantitatively decomposed by treatment with dry hydrogen chloride in anhydrous benzene or chloroform solution. The diols separate as hydrogen chloride addition compounds (with benzene of crystallisation), which dissociate completely in the solid state. The 1:4‐cyclohexanediol preparations obtained by both these methods, were absolutely identical. There appears to be no conversion of cis → trans or vice versa in these reactions. The cis‐diol is converted at 101°. 4 into a liquid crystalline phase, melting at 113°.0. The first process requires about four times as much heat as the second.
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