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Effect of surface modification on silica supported Ti catalysts for cyclohexene oxidation with vapor-phase hydrogen peroxide
- Ahn, Sol;
- Friedman, Sarah K;
- Notestein, Justin M
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1초록
Surface modification via grafting of organic moieties on a Lewis acid catalyst (silica supported Ti catalyst, Ti-SiO2) alters the activation of H2O2 in vapor-phase cyclohexene epoxidation. Grafting a fluorous group (1H,1H-perfluoro-octyl) suppresses activity of Ti-SiO2. Conversely, grafting either a nonpolar group (octyl) or a polar aprotic group (triethylene glycol monomethyl ether) enhances rates and shifts selectivity toward trans-1,2-cyclohexanediol. This journal is © The Royal Society of Chemistry.
- 제목
- Effect of surface modification on silica supported Ti catalysts for cyclohexene oxidation with vapor-phase hydrogen peroxide
- 저자
- Ahn, Sol; Friedman, Sarah K; Notestein, Justin M
- 발행일
- 2024-08
- 유형
- Article
- 저널명
- RSC Advances
- 권
- 14
- 호
- 35
- 페이지
- 25425 ~ 25428