Hydrogenation process for the selective preparation of 3-menthen

Chemistry of hydrocarbon compounds – Adding hydrogen to unsaturated bond of hydrocarbon – i.e.,... – Partial

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585350, 585947, C07C 506, C07C 530, B01J 2346

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active

042040809

ABSTRACT:
Non-conjugated para-menthadienes having one site of unsaturation at the 4(8)- or 8-position are hydrogenated to selectively form 3-menthene in the presence of a homogeneous ruthenium catalyst complex.

REFERENCES:
patent: 3804914 (1974-04-01), Fahey
patent: 3925494 (1975-12-01), Fahey
Darryl R. Fahey "Selective Hydrogenation Catalyzed by Ruthenium Complexes" J. Organic Chem. 38, 80-89, 3343-3348 (1973).

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