- Glycol-modified molybdate catalysts for efficient singlet oxygen generation from hydrogen peroxide
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Pretreatment of molybdate-exchanged layered double hydroxides in polyalcohols such as ethylene glycol affords heterogeneous catalysts showing largely improved oxidant efficiency compared to the unmodified materials. The Royal Society of Chemistry.
- Wahlen, Joos,De Vos, Dirk,Jary, Walther,Alsters, Paul,Jacobs, Pierre
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p. 2333 - 2335
(2008/02/11)
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- Process for the catalytic oxidation of isoprenoids having allylic groups
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The invention is directed to a process for the catalytic oxidation of an isoprenoid containing at least one allylic hydrogen atom, which process comprises reacting the isoprenoid with oxygen or an oxygen-containing gas in an inert solvent in the presence of a N-hydroxydicarboxylic acid imide of the formula STR1 wherein A-B stands for CH2 -CH2, CH=CH, an aromatic hydrocarbon residue or a group derived from one of these groups in which one or more hydrogen atoms is/are replaced by alkyl or halogen, to produce a primary of secondary hydroperoxide. The process of the invention is suitable for the manufacture of steroids, vitamins, odorant substances, carotinoids and the like.
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