Helvetica Chimica Acta p. 365 - 369 (1989)
Update date:2022-08-03
Topics:
Soukup, Milan
Lukac, Teodor
Zell, Reinhard
Roessler, Felix
Steiner, Kurt
Widmer, Erich
2,6,6-Trimethylcyclohexa-2,4-dienone (1), a versatile starting material for the preparation of some carotenoids and several natural products, was efficiently (73 percent yield) prepared from oxoisophorone 3.After conversion of 3 to the alcohol 4 or the acetate 5, H2O was eliminated (4 -> 1) under acidic distillative conditions, whereas AcOH could be eliminated (5 -> 1) under Pd(O) catalysis.
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Doi:10.1039/a904384e
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(2008)Doi:10.1055/s-1987-28185
(1987)Doi:10.1515/znb-2008-0108
(2008)Doi:10.1021/jo01366a003
(1954)Doi:10.1002/ejoc.200800461
(2008)
