丙二酸二叔丁酯

• 产品号: A12774
• CAS号: 541-16-2
• 分子式: C11H20O4
• 分子量: 216.2741
• 纯 度: 98+%, stab. with potassium carbonate

产品别名

• 标题: Di-tert-butyl malonate
• IUPAC标准名: 1,3-di-tert-butyl propanedioate
• IUPAC传统名: 1,3-di-tert-butyl propanedioate
• 别名: Malonic acid di-tert-butyl ester

产品登记号

• EC号: 208-769-6
• 默克索引号: 143034
• MDL号: MFCD00008810
• Beilstein号: 1781766
• CAS号: 541-16-2

产品性质

• 纯度: 98+%, stab. with potassium carbonate
• 沸点: 65-67°C/1mm
• 密度: 0.965
• 闪点: 88°C(190°F)
• 熔点: -6°C
• 折射率: 1.4190
• GHS危险声明: H317-H227
• 欧盟危险性物质标志: 刺激性(Irritant) (Xi)
• GHS警示性声明: P210-P261-P302+P352-P321-P403+P235-P501A
• 危险公开号: 43
• 安全公开号: 23-24-37
• TSCA收录: 是

参考文献

• Alternative to Diethyl malonate, A15468, permitting removal of the t-butyl groups and decarboxylation by thermolysis in the presence of mild acid: J. Am. Chem. Soc., 74, 831 (1952). In the presence of Cu(OAc)₂, condenses with paraformaldehyde to form the useful electrophilic alkene, di-t-butyl methylenemalonate: J. Org. Chem., 48, 3603 (1983), which is more stable than the ethyl or methyl esters, and can be stored for some weeks at room temperature. For references to use of methylenemalonic esters in Michael addition and cycloaddition reactions, see: Org. Synth. Coll., 7, 142 (1990).