草酸二乙酯

• 产品号: A14498
• CAS号: 95-92-1
• 分子式: C6H10O4
• 分子量: 146.1412
• 纯 度: 99%

产品别名

• 标题: Diethyl oxalate
• IUPAC标准名: diethyl oxalate
• IUPAC传统名: ethyl oxalate
• 别名: Oxalic acid diethyl ester; Ethyl oxalate

产品登记号

• 默克索引号: 143125
• Beilstein号: 606350
• EC号: 202-464-1
• CAS号: 95-92-1
• MDL号: MFCD00009119

产品性质

• 纯度: 99%
• 沸点: 184-186°C
• 密度: 1.077
• 闪点: 75°C(167°F)
• 熔点: -41 to -39°C
• 折射率: 1.4100
• GHS危险声明: H302-H319-H227
• 欧盟危险性物质标志: X
• GHS警示性声明: P210-P280-P305+P351+P338-P301+P312-P403+P235-P501A
• 危险公开号: 22-36
• RTECS编号: RO2800000
• 安全公开号: 23
• 保存注意事项: Moisture Sensitive
• TSCA收录: 是
• 联合国危险货物等级: 6.1
• 联合国危险货物编号: UN2525
• 联合国危险货物包装类别(PG): III

参考文献

• Base-promoted condensation with ketones, esters, nitriles, etc. yields ɑ-ethoxalyl derivatives, which with aldehydes, e.g. formaldehyde, yield ɑ?-unsaturated compounds: J. Org. Chem., 42, 1180 (1977). Condensation with the activated methyl group of o-nitrotoluenes can lead to indole-2-carboxylic acid ethyl ester: Org. Synth. Coll., 5, 567 (1973), or to o-nitrophenylacetic acids which can be converted to indole-2-acetic acid esters: Org. Synth. Coll., 9, 601 (1998).
• Reaction with Grignard reagents at low temperatures gives ɑ-keto esters: Synth. Commun., 11, 943 (1981); Org. Prep. Proced. Int., 21, 501 (1989). Similarly, vinyl Grignards give 2-oxo-3-alkenoic acids: Synthesis, 564 (1988).
• With the benzylic phosphoranes, gives stereoselectively (Z)-3-aryl-2-ethoxyacrylates: Synthesis, 958 (1989).