Chromium-catalyzed homolytic scission of organic peroxides with t-butyl hydroperoxide and its relation to benzylic oxidation

Q4 Chemical Engineering 分子催化 Pub Date : 1994-08-30 DOI:10.1016/0304-5102(94)00068-9
Jacques Muzart, Abdelaziz N'Ait Ajjou
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引用次数: 18

Abstract

In using 9-(t-butylperoxy)-fluorene as test substrate and various chromium compounds, it has been shown that the transformation to fluorenone requires the simultaneous presence of t-BuOOH to be efficient. This transformation is much less effective when using free t-BuO. or t-BuOO. radicals. A mechanism involving the homolytic scission of the peroxidic bond of the substrate is proposed.

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氢过氧化物t-丁基催化铬催化有机过氧化物均解裂解及其与苯氧化的关系
在使用9-(t-丁基过氧基)芴作为测试底物和各种铬化合物的实验中,已经表明,转化为芴酮需要同时存在t-BuOOH才能有效。在使用免费的t-BuO时,这种转换的效率要低得多。或t-BuOO。激进分子。提出了一种涉及底物过氧化物键均裂的机理。
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来源期刊
分子催化
分子催化 Chemical Engineering-Catalysis
CiteScore
1.50
自引率
0.00%
发文量
2959
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Author index Subject index Hydrolysis of sucrose by dealuminated Y-zeolites Synthesis and application of organophilic polystyrene-montmorillonite supported onium salts in organic reactions Effect of the reduction temperature on the selectivity of the high temperature reaction of acetone and hydrogen over alumina and titania supported nickel and cobalt catalysts
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