Conclusions
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1.
The sequence of hydrogenation of carvone on platinum and palladium catalysts was investigated.
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2.
The hydrogenation of carvone on Pd-black proceeds nonselectively with the formation of carvotanacetone and carvomenthone. As a result of parallel reactions of isomerization and irreversible catalysis, carvacrol is formed. Palladium on carbon catalyzes the process differently from Pd-black.
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3.
Hydrogenation of carvone on Pt-black proceeds selectively through the successive formation of carvotanacetone, isomeric carvomenthones, and isomeric carvomenthols.
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Translated from Izvestiya Akademii Nauk SSSR, Seriya Khimicheskaya, No. 5, pp. 1063–1068, May, 1972.
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Klabunovskii, E.I., Godunova, L.F. & Maslova, L.K. The catalytic hydrogenation of (+)-carvone on palladium and platinum catalysts. Russ Chem Bull 21, 1020–1024 (1972). https://doi.org/10.1007/BF00853760
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DOI: https://doi.org/10.1007/BF00853760