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基本信息

cas:22818-40-2
中文名称:D(-)-对羟基苯甘氨酸
中文别名:D-对羟基苯甘氨酸;D-(-)-4-羟基苯甘氨酸;D-(-)-2-(4-羟苯基)甘氨酸;(R)-(-)-2-氨基-2-(4-羟苯基)乙酸;(对羟基苯)氨基乙酸;左旋对羟基苯甘氨酸;4-羟基-D-(-)-2-苯基甘氨酸;D-α-(4-Hydroxy-phenyl)glycine;
英文名称:D-4-hydroxyphenylglycine
英文别名:(R)-2-(4-Hydroxyphenyl)glycine;(D)-(-)-Alfa-4-hydroxyphenyl glycine;D-N-(4-Hydroxyphenyl)glycine;(R)-2-Amino-2-(4-hydroxyphenyl)acetic acid;2-(4-Hydroxyphenyl)-D-glycine;(R)-para-hydroxyphenylglycine;H-D-Phg(4-OH)-OH;(2R)-2-amino-2-(4-hydroxyphenyl)acetic acid;D(-)-2-amino-(4-hydroxyphenyl)acetic acid;D(-)-4-Hydroxyphenylglycine;4-Hydroxy-D-phenylglycine;4-Hydroxy-D-(-)-2-phenylglycine;(2R)-2-Amino-2-(4-hydroxyphenyl)acetic acid,4-Hydroxy-D-phenylglycine;(2R)-2-Amino-2-(4;(R)-(-)-2-Amino-2-(4-hydroxyphenyl)acetic acid;D(-)-2-(4-hydroxyphenyl)glycine;D-(-)-2-(4-Hydroxyphenyl)glycine;(2R)-2-Amino-2-(4-hydroxyphenyl)acetic acid,4-Hydroxy-D-phenylglycine,Cefadroxyl impurity A;
分子式:C8H9NO3
分子量:167.16200
精确质量:167.05800
PSA:83.55000
LOGP:1.17690

物化性质

外观与性状:白色至灰白色结晶粉末
密度:1.396
熔点:240 °C (dec.)(lit.)
闪点:223.7ºC
折射率:-158 ° (C=1, 1mol/L HCl)
水溶解性:5 g/L (20 ºC)
稳定性:Stable under normal temperatures and pressures.
储存条件:Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances.
蒸汽压:0.000272mmHg at 25°C

安全信息

安全说明:S26-S36-S24/25
危险类别码:R36/37/38
WGK Germany:3
海关编码:29225000
危险品标志:Xi

生产方法及用途

生产方法
大茴香醛经环合、水解制成DL-对羟基苯甘氨酸,再用甲醇酯化,用酒石酸拆分,得到D(-)-对羟基苯甘氨酸。国内大部分D-对羟基苯甘氨酸的生产企业目前基本都采用乙醛酸工艺生产。

用途

合成半合成青霉素和头孢菌素的中间体,用于制造氨苄青霉素、氧哌嗪青霉素、头孢氨苄等。

毒性