361003
硅胶负载三氯化铁
powder, extent of labeling: 5 wt. % loading
别名:
硅胶负载氯化铁
表单
powder
浓度
4-6 wt. % (FeCl3 basis, Na2S2O3, titration)
标记范围
5 wt. % loading
杂质
1.00-10.00% water (Karl Fischer)
SMILES字符串
Cl[Fe](Cl)Cl
InChI
1S/3ClH.Fe/h3*1H;/q;;;+3/p-3
InChI key
RBTARNINKXHZNM-UHFFFAOYSA-K
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一般描述
Iron(III) chloride on silica gel consists of ferric chloride adsorbed on silica gel. It is a lewis acid commonly used in various chemical reactions like dehydration, acetal cleavage, rearrangements, thioacetalization and oxidative cyclizations. One of the methods reported for its synthesis is adding silica gel to an acetone solution followed by evaporating the solvent and then heating the mixture.
应用
Iron(III) chloride on silica gel may be used as heterogeneous catalyst in the following studies:
- Efficient and selective cleavage of acetals and ketals.
- Synthesis of 4(3H)-quinazolinones under solvent free conditions.
- Rapid, high yield and selective dehydration of alcohols.
- To induce ring enlargement of tertiary cyclobutanols.
- Synthesis of 5-substituted 1H-tetrazole derivatives and1,8-dioxo-octahydroxanthene derivatives.
- Protection of 1,5-dihydro-2,4-benzodithiepines.
- Thioacetalization of carbonyl compounds.
警示用语：
Danger
危险声明
危险分类
Eye Dam. 1 - Met. Corr. 1
储存分类代码
8B - Non-combustible corrosive hazardous materials
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
A rapid mild and efficient method of thioacetalization using anhydrous iron (III) chloride dispersed on silica gel.
Patney HK.
Tetrahedron Letters, 32(20), 2259-2260 (1991)
Efficient and selective cleavage of acetals and ketals using ferric chloride adsorbed on silica gel.
Kim KS, et al.
The Journal of Organic Chemistry, 51(3), 404-407 (1986)
Reaction in dry media: silica gel supported ferric chloride catalyzed synthesis of 1,8-dioxo-octahydroxanthene derivatives.
Shaterian HR, et al.
Phosphorus, Sulfur, and Silicon and the Related Elements, 183(12), 3136-3144 (2008)
Silica gel/FeCl3: An efficient and recyclable heterogenous catalyst for one step synthesis of 4(3H)-quinazolinones under solvent free conditions.
Chari MA, et al.
Catalysis Communications, 7(10), 787-790 (2006)
Reactions in dry media. Ferric chloride adsorbed on silica gel. A multipurpose, easily controllable reagent.
Keinan E and Mazur Y.
The Journal of Organic Chemistry, 43(5), 1020-1022 (1978)
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