383-70-0 L-三氟乙酰甘氨酸
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分子式C4H4F3NO30.84沸点291.6±40.0 °C (760 mmHg) 溶解度27.5 mg/ml;可溶于氯仿、二甲基亚砜 酸度系数(pKa)2.99±0.10 (Predicted) 参考文献:[1] Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1985, p. 1355 - 1362;[2] Journal of Medicinal Chemistry, 1992, vol. 35, # 13, p. 2452 - 2458;[3] Bioorganic and Medicinal Chemistry, 2018, vol. 26, # 4, p. 957 - 969;[4] European Journal of Organic Chemistry, 2014, vol. 2014, # 13, p. 2664 - 2667;[5] Bioorganic and Medicinal Chemistry, 2008, vol. 16, # 4, p. 1764 - 1774;[6] Chemische Berichte, 1954, vol. 87, p. 248,256;[7] Angewandte Chemie, 1952, vol. 64, p. 136;[8] Journal of Biological Chemistry, 1954, vol. 210, p. 227,230;[9] Journal of the American Chemical Society, 1972, vol. 94, # 1, p. 265 - 268合成路线 3(以三氟乙酸甲酯和甘氨酸为原料)
- 步骤:将三氟乙酸甲酯(804μL,7.99毫摩尔)和三乙胺(928μL,6.66毫摩尔)加入到甘氨酸(500mg,6.66毫摩尔)在甲醇(2.5mL)中的悬浮液中,剧烈搅拌18小时后,逐滴加入1N HCl直至pH为2,将反应混合物加到乙酸乙酯(30mL)中,用1N HCl(2×10mL)洗涤,用MgSO₄干燥,真空浓缩,得到酰胺。
- 条件:With triethylamine In methanol for 18 h
- 收率:87%
- 参考文献:[1] Russian Journal of General Chemistry, 1994, vol. 64, # 5.2, p. 791 - 792;[2] Zhurnal Obshchei Khimii, 1994, vol. 64, # 5, p. 878;[3] Patent: EP1235851, 2006, B1. Location in patent: Page/Page column 46;[4] Synthesis, 1976, p. 399 - 401