Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing
Patent
1998-07-15
2000-01-11
Geist, Gary
Organic compounds -- part of the class 532-570 series
Organic compounds
Oxygen containing
568653, 568772, 568766, 502326, C07C 4100
Patent
active
060138440
ABSTRACT:
A process for preparing catechol monoethers or catechols of the formula Ia or Ib ##STR1## where R.sup.1 and R.sup.2 are, independently of one another, hydrogen or C.sub.1 -C.sub.8 hydrocarbon radicals, and R.sup.3 is a C.sub.1 -C.sub.8 hydrocarbon radical, which comprises a 2-hydroxycyclohexanone dialkyl ketal of the formula II or a 2-alkoxycyclohexanone of the formula III ##STR2## a) being reacted in the gas phase in the presence of palladium on zirconium oxide as catalyst to obtain compounds Ia or
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Dingerdissen Uwe
Heineke Daniel
Hesse Michael
Wulff-Doring Joachim
BASF - Aktiengesellschaft
Geist Gary
Vollano Jean F
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