In(Ⅲ)-, Tl(Ⅲ)-porphyrin을 촉매제로 한 시클로알칸의 히드록시화 반응
Hydroxylation of Cycloalkanes Catalyzed by In(Ⅲ)-, Tl(Ⅲ)-Porphyrin
- 한국응용과학기술학회 (구.한국유화학회)
- 한국응용과학기술학회지
- 한국유화학회지 제17권 제1호
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2000.0315 - 21 (7 pages)
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The catalytic hydroxylation of several cycloalkanes in dichloromethane have been investigated using In(Ⅲ)-, Tl(Ⅲ)-porphyrin complexes as a catalyst and NaClO, NaClO₂, H₂O₂ as a terminal oxidant. Porphyrins were TPP and (F₂₀)TPP (TPP = tetraphenylporphyrin) and substrates were cyclopentane, cyclohexane, cycloheptane and cyclooctane. The substrate conversion yield was discussed according to the substituent effect and hinderance effect of metalloporphyrin and the radius effect of non-redox metal ion. The conversion yield of cycloalkane followed the order of C₅ < C₆ < C₇ = C₈. In this experimental condition NaClO₂ was rather efficient terminal oxidant than NaClO and H₂O₂.
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