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
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关于此项目
经验公式（希尔记法）:
Cl3Fe
化学文摘社编号:
分子量:
162.20
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352300
MDL number:
产品名称
硅胶负载三氯化铁, powder, extent of labeling: 5 wt. % loading
InChI
1S/3ClH.Fe/h3*1H;/q;;;+3/p-3
SMILES string
Cl[Fe](Cl)Cl
InChI key
RBTARNINKXHZNM-UHFFFAOYSA-K
form
powder
concentration
4-6 wt. % (FeCl3 basis, Na2S2O3, titration)
extent of labeling
5 wt. % loading
impurities
1.00-10.00% water (Karl Fischer)
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Application
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.
General description
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.
signalword
Danger
hcodes
Hazard Classifications
Eye Dam. 1 - Met. Corr. 1
存储类别
8B - Non-combustible corrosive hazardous materials
wgk
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
dust mask type N95 (US), Eyeshields, Faceshields, Gloves
Silica-supported ferric chloride (FeCl3-SiO2): an efficient and recyclable heterogeneous catalyst for the preparation of arylaminotetrazoles.
Habibi D and Nasrollahzadeh M.
Synthetic Communications, 40(21), 3159-3167 (2010)
FeCl3-SiO2 as a reusable heterogeneous catalyst for the synthesis of 5-substituted 1H-tetrazoles via [2+ 3] cycloaddition of nitriles and sodium azide.
Nasrollahzadeh M, et al.
Tetrahedron Letters, 50(31), 4435-4438 (2009)
Anhydrous ferric chloride adsorbed on silica gel induced ring enlargement of tertiary cyclobutanols: Synthesis of isolaurolene and derivatives, campholenic ether and (?) cuparene.
Fadel A and Salaun J.
Tetrahedron, 41(2), 413-420 (1985)
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)
A Mild and Efficient Method for the Protection of Carbonyl Compounds as 1, 5-Dihydro-2, 4-benzodithiepines Using Anhydrous Iron (III) Chloride Dispersed on Silica Gel.
Patney HK.
Synthetic Communications, 23(13), 1829-1833 (1993)
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