Summary
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1.
The dehydration of 3,7-dimethyloctane-l,7-diol on a phosphate catalyst proceeds in stages: first to citronellol and then to 3,7-dimethyloctadiene.
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2.
The stepwise nature of the process is caused by the position of the hydroxyl groups (primary and tertiary) in the 3,7-dimethyloctane-l,7-diol molecule.
Literature cited
L. Kh. Friedlin and V. Z. Sharf, Kinetika i Kataliz,1, 247 (1960).
Z. Palfray, S. Sabetay, A. Rangel, Compt. rend.212, 911 (1941).
Dictionary of Organic Compounds [Russian translation] (IL, Moscow, 1949),1, pp. 934,558.
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Freidlin, L.K., Sharf, V.Z. Successive elimination of the alcohol groups of 3,7-dimethyloctane-1,7-diol on a tricalcium phosphate catalyst. Russ Chem Bull 9, 1906–1907 (1960). https://doi.org/10.1007/BF00907759
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DOI: https://doi.org/10.1007/BF00907759