Abstract
The regularities of pinane-2-ol isomerization over block catalyst under reagent pressure of 2–45 Torr and within a temperature range of 450–620 °C were studied. A scheme of key product—linalool, as well as side products—hydrocarbons and 5-membered cyclic alcohols formation was suggested. Light hydrocarbons C 1–C 6 are formed by gas phase free radical pathway of pinane-2-ol destruction, hydrocarbons C 10 by linalool dehydration over catalyst surface acid centers, 5-membered cyclic alcohols by linalool intermolecular cyclization. The reaction rate constants of cis/ trans-pinane-2-ol conversion to linalool and its following cyclization to 5-membered alcohols were evaluated. The linalool formation mechanism including the intermolecular interaction of OH group proton resulting in pinane ring opening was suggested.
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