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1997 oxidation, dehydrogenation, ozonolysis oxidation, dehydrogenation, ozonolysis O 0210 06 - 056 Dehydrogenation of Polycyclic Ketones Using Trichloromethyl Cation in Superacid. The reagent system HF/SbF5/CCl4 generates trichloromethyl cations reacting as a strong hydride acceptor. Thus, application of the system to cyclohexanones (I) and (IV) or steroidal enones (cf. (VII)) results in formation of the corresponding dehydrogenation products. (MARTIN, A.; JOUANNETAUD, M.-P.; JACQUESY, J.-C.; Tetrahedron Lett. 37 (1996) 43, 7731-7734; Lab. Chim. XII, CNRS, Fac. Sci., F-86022 Poitiers, Fr.; EN) 1

ChemInform Abstract: Dehydrogenation of Polycyclic Ketones Using Trichloromethyl Cation in Superacid

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1997 oxidation, dehydrogenation, ozonolysis

oxidation, dehydrogenation, ozonolysisO 0210

06 - 056Dehydrogenation of Polycyclic Ketones Using TrichloromethylCation in Superacid. — The reagent system HF/SbF5/CCl4 generatestrichloromethyl cations reacting as a strong hydride acceptor. Thus, applicationof the system to cyclohexanones (I) and (IV) or steroidal enones (cf. (VII))results in formation of the corresponding dehydrogenation products. —(MARTIN, A.; JOUANNETAUD, M.-P.; JACQUESY, J.-C.; Tetrahedron Lett.37 (1996) 43, 7731-7734; Lab. Chim. XII, CNRS, Fac. Sci., F-86022 Poitiers,Fr.; EN)

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