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Oxidative CC bond cleavage of vic-diols with H2O2 catalyzed by heteropolyacids

✍ Scribed by Masao Shimizu; Hideo Orita; Kunio Suzuki; Takashi Hayakawa; Satoshi Hamakawa; Katsuomi Takehira

Publisher
Elsevier Science
Year
1996
Tongue
English
Weight
325 KB
Volume
114
Category
Article
ISSN
1381-1169

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✦ Synopsis

tic-Diols were oxidized with aqueous hydrogen peroxide in the presence of heteropolyacids to yield carboxylic acids as main products in good yields. Although the oxidation proceeded via cw-ketol or cu-diketone intermediates, another oxidation path such as direct C-C bond cleavage is suggested in the case of tetra-substituted uic-diols as substrates.

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The oxidative cleavage of carbontin bond catalyzed by heteropolyacids of molybdenum
✍ M.H Alizadeh; H Razavi; F.F Bamoharram; K Daneshvar 📂 Article 📅 2003 🏛 Elsevier Science 🌐 English ⚖ 164 KB

Heteropolymolybdoacids, H 3 [PMo 12 O 40 ] and H 6 [P 2 Mo 18 O 62 ], catalyze the oxidative cleavage of C-Sn bond in the organotin derivatives of dibenzyldichlorotin (1) and tribenzylchlorotin (2) in the presence of dioxygen. Benzaldehyde is the major reaction product, accompanied by smaller amount