Cyclohexanol → 1,1-Di(2-phenoxyethoxy)cyclohexane

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Non-simple 1,1-dialkoxycyclohexanes are very difficult to make by reacting cyclohexanone with alcohols having long straight chains, branched chains, or aromatic groups. For example, 1,1-di(cyclohexyloxy)cyclohexane was made with a yield of 29% by reacting cyclohexanol with cyclohexanone, as described in U.S. Pat. No. 3,072,727. Non-simple 1,1-dialkoxycyclohexanes are typically made by transketalization, namely, by mixing and heating such alcohols with an already formed simple 1,1-dialkyoxycyclohexane, namely, with methoxy, ethoxy, or isopropoxy groups. For example, 2-phenoxyethanol can be mixed with 1,1-dimethoxycyclohexane to form 1,1-di(2-phenoxyethoxy)cyclohexane. This reaction is described in U.S. Pat. No. 6,165,676 and U.S. Pat. No. 6,391,512.

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