57987-84-5

• 常用中文名：6-甲基-3,4-二氢-2H-吡喃-5-羧酸甲酯
• 常用英文名：methyl 3,4-dihydro-6-methyl-2H-pyran-5-carboxylate
• CAS号：57987-84-5
• 分子式：C₈H₁₂O₃
• 分子量：156.17900
• 发布时间：2017-02-07 18:44:10
• 更新时间：2025-08-25 18:30:30

名称

• 中文名: 6-甲基-3,4-二氢-2H-吡喃-5-羧酸甲酯
• 英文名: methyl 6-methyl-3,4-dihydro-2H-pyran-5-carboxylate
• 中文别名: 己酮可可碱杂质25; 己酮可可碱杂质38
• 英文别名: 2H-Pyran-5-cboxylic acid, 3,4-dihydro-6-methyl-, methyl ester; methyl 6-methyl-3,4-dihydro-2H-pyran-5-cboxylate; Pentoxifylline Impurity 38; methyl 3,4-dihydro-6-methyl-2H-pyran-5-cboxylate; METHYL 3,4-DIHYDRO-6-METHYL-2H-PYRAN-5-CARBOXYLATE; 2H-Pyran-5-carboxylic acid,3,4-dihydro-6-methyl-,methyl ester; 2-methyl-5,6-dihydro-4H-pyran-3-carboxylic acid methyl ester; methyl 5,6-dihydro-2-methyl-4H-pyran-3-cboxylate; 2-Methyl-5,6-dihydro-4H-pyran-3-carbonsaeure-methylester; 2-methyl-5,6-dihydro-4H-pyran-3-cboxylic acid methyl ester

物化性质

• 密度: 1.081g/cm3
• 沸点: 211.5ºC at 760 mmHg
• 分子式: C₈H₁₂O₃
• 分子量: 156.17900
• 闪点: 80.1ºC
• 精确质量: 156.07900
• PSA: 35.53000
• LogP: 1.24380
• 折射率: 1.465

合成路线

105-45-3 109-70-6 ~90% 57987-84-5

文献：Dubey; Naidu; Anandam; Hemasunder Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 2005 , vol. 44, # 6 p. 1239 - 1242

541-50-4 ~% 57987-84-5

文献：Yale et al. Journal of the American Chemical Society, 1953 , vol. 75, p. 1933,1934