methyltrioxorhenium

• ChemBase编号: 148669
• 分子式: CH3O3Re
• 平均质量: 249.23972
• 单一同位素质量: 249.96397196
• SMILES: C[Re](=O)(=O)=O
• Canonical SMILES: C[Re](=O)(=O)=O
• InChI: InChI=1S/CH3.3O.Re/h1H3
• InChIKey: PQTLALPZRPFYIT-UHFFFAOYSA-N

名称和登记号

名称

• IUPAC标准名: methyltrioxorhenium
• IUPAC传统名: methylrhenium trioxide
• 别名: 甲基铼(VII)三氧化物; 甲基三氧化铼(VII); MTO; Methylrhenium(VII) trioxide; Methyltrioxorhenium(VII)

登记号

• CAS号: 70197-13-6
• MDL号: MFCD00192332
• Beilstein号: 3927932
• PubChem SID: 24885939; 24865831; 162242844
• PubChem CID: 2734010

理论计算性质

• 质子受体: 3
• 质子供体: 0
• LogD (pH = 5.5): -1.0425
• LogD (pH = 7.4): -1.0425
• Log P: -1.0425
• 摩尔折射率: 9.654 cm^3
• 极化性: 11.727564 Å^3
• 极化表面积: 51.21 Å^2
• 可自由旋转的化学键: 0
• 里宾斯基五规则: true

分子性质

理化性质

• 熔点: 110-115°C; 111 °C(lit.); 112-113 °C

安全信息

• 保存注意事项: Moisture & Light Sensitive
• 欧盟危险性物质标志: 氧化性(Oxidising) (O)
• 联合国危险货物编号: UN1479
• 德国WGK号: 3
• 联合国危险货物等级: 5.1
• 联合国危险货物包装类别(PG): II
• 危险公开号: 8
• 安全公开号: 17-26-39
• TSCA收录: 否
• GHS危险品标识: GHS03
• GHS危险声明: H272
• GHS警示性声明: P221-P210-P220-P280-P370+P378A-P501A
• 个人保护装置: Eyeshields, Gloves, type N95 (US), type P1 (EN143) respirator filter

产品相关信息

• 纯度: ≥98.0% (gas-volumetric); 98%
• 级别: purum
• 主要成分: Re, 71.0-76.0%
• 线性分子式: CH3ReO3

详细说明

Sigma Aldrich - 412910

包装
100, 500 mg in glass bottle
2 g in glass bottle
Application
强效催化氧化剂1,2，用于将各种溶剂中的烯烃转化为环氧化物3，将 2-甲基萘转化为 2-甲基-1,4-萘醌（维生素 K3）。4,5 催化氧化剂，与尿素过氧化氢共同用于将亚胺高效转化为硝酮。6 各种条件下的有效抗氧化剂。7,8,9

Sigma Aldrich - 69489

Other Notes
多功能高效催化剂，可溶于水和有机溶剂；如烯烃氧化反应、烯烃复分解反应1,2

参考文献

• For a brief feature on uses in synthesis, see: Synlett, 1849 (2004).
• Useful catalyst, soluble in organic solvents and water, and stable to air and acids: J. Organomet. Chem., 372, 351 (1989). Investigated by Herrmann's group as an alkene metathesis catalyst: Angew. Chem. Int. Ed., 30, 1636 (1991), a catalyst for clean epoxidation of alkenes with H₂O₂: Angew. Chem. Int. Ed., 30, 1638 (1991), and to promote the olefination of aldehydes with diazo esters: Angew. Chem. Int. Ed., 30, 1641 (1991). The activation of H₂O₂ in epoxidation and other reactions has been extensively studied; feature article: Chem. Commun., 479 (1999). Improved results in epoxidations with H₂O₂ in the presence of pyrazole have been reported by Herrmann: J. Organomet. Chem., 555, 293 (1998), and by Sharpless with pyrazole, pyridine or 3-cyanopyridine: Tetrahedron Lett., 40, 3991 (1999); J. Org. Chem., 65, 8651 (2000); see also Tetrahedron Lett., 39, 8521 (1998). For use in the Baeyer-Villiger oxidation of ketones, see: Angew. Chem. Int. Ed., 37, 1198 (1998); the reaction can also be carried out with H₂O₂ in ionic liquids at room temperature: Tetrahedron Lett., 44, 8991 (2003). Catalyzes the oxidative cleavage of ɑ-hydroxy carbonyl compounds to carboxylic acids with H₂O₂: Synth. Commun., 33, 3875 (2003). High yield aerobic oxidation of various organonitrogen compounds has been described: e.g. pyridines to N-oxides, anilines to nitrobenzenes and sec-amines to nitrones: Tetrahedron Lett., 44, 3235 (2003).