A new synthesis of β-damascone |
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| Authors: | Roberto Pellicciari Ettore Sisani Renata Fringuelli |
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| Affiliation: | Istituto di Chimica Farmaceutica e Tossicologica, Università degli Studi, 06100 Perugia - Italy |
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| Abstract: | A new synthetic route to β-damascone (7) starting from β-cyclocitral (1) is described. The crucial intermediate 9-oxo-dihydro-β-damascone (3) is prepared in two steps by treatment of (1) with 1-diazo-1-lithioacetone followed by the rhodium (II) acetate conversion of 3-diazo-4-hydroxy-4(2,2,6-trimetylcyclohex-6-enyl) butan-2-one (2) thus formed to (3). |
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