Tetrahedron Letters p. 4039 - 4042 (1980)
Update date:2022-08-03
Topics:
Pellicciari, Roberto
Sisani, Ettore
Fringuelli, Renata
A new synthetic route to β-damascone (7) starting from β-cyclocitral 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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(2013)
