62733-99-7
基本信息
3-羟基-2-吡啶甲酸甲酯
3-羟基吡啶-2-甲酸甲酯
3-羟基-2-吡啶甲酸甲酯盐酸盐
3-羟基-2-吡啶甲酸甲酯(CAS号:62733-99-7)
3-羟基-2-吡啶甲酸甲酯,3-HYDROXY-PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER
Methyl 3-hydroxypicolinate
3-HYDROXYPICOLINIC ACID METHYL ESTER
Methyl-3-Hydroxypyridine-2-Carboxlate
METHYL 3-HYDROXYPYRIDINE-2-CARBOXYLATE
3-hydroxy-2-pyridinecarboxylicacidmethylester
3-HYDROXY-PYRIDINE-2-CARBOXYLIC ACID METHYL ESTER
2-Pyridinecarboxylic acid, 3-hydroxy-, methyl ester
Methyl 3-hydroxypyridine-2-carboxylate hydrochloride
2-Pyridinecarboxylicacid,3-hydroxy-,methylester(9CI)
物理化学性质
| 熔点 | 75.0 to 79.0 °C |
| 沸点 | 340.6±22.0 °C(Predicted) |
| 密度 | 1.287±0.06 g/cm3(Predicted) |
| 储存条件 | Inert atmosphere,Room Temperature |
| 酸度系数(pKa) | 4.45±0.10(Predicted) |
| 形态 | 粉末晶体 |
| 颜色 | 白色至橙色再至绿色 |
| InChI | InChI=1S/C7H7NO3/c1-11-7(10)6-5(9)3-2-4-8-6/h2-4,9H,1H3 |
| InChIKey | MHKKUZDJUGIOBC-UHFFFAOYSA-N |
| SMILES | C1(C(OC)=O)=NC=CC=C1O |
安全数据
| 危险性符号(GHS) | ![]() GHS07 |
| 警示词 | 警告 |
| 危险性描述 | H315-H319 |
| 防范说明 | P264-P280-P302+P352-P337+P313-P305+P351+P338-P362+P364-P332+P313 |
| 危险品标志 | Xi |
| 危险类别码 | 36 |
| 安全说明 | 26 |
| 海关编码 | 2933399990 |
制备方法
67-56-1
874-24-8
62733-99-7
在0℃条件下,将3-羟基-2-吡啶甲酸(10g,72mmol,1当量)的甲醇(150mL,0.5M)悬浮液缓慢滴加至浓硫酸(12mL,216mmol,3当量)中。反应混合物在回流条件下搅拌6小时。反应完成后,将混合物冷却至室温,并在减压下浓缩。随后,用饱和NaHCO3水溶液和固体NaHCO3调节pH至8.5。水层用EtOAc萃取,合并的有机层用盐水洗涤,经MgSO4干燥,减压浓缩,得到3-羟基-2-吡啶甲酸甲酯,为白色固体(10.9g,99%)。薄层色谱(TLC)显示Rf = 0.3(石油醚/EtOAc 1:1,v/v)。熔点为74°C。1H NMR(300MHz,CDCl3):δ(ppm)= 4.06(s,3H),7.34(dd,J = 3.9,8.4Hz,1H),7.38(dd,J = 1.5,8.4Hz,1H),8.38(dd,J = 1.5,3.9Hz,1H),10.64(s,1H)。13C NMR(75MHz,CDCl3):δ= 53.2,126.3,129.8,130.2,141.6,158.9,169.9。质谱(ESI+):m/z(百分比):154(100)[M + H]+。
参考文献:
[1] Journal of Controlled Release, 2018, vol. 290, p. 102 - 111
[2] Tetrahedron, 2011, vol. 67, # 11, p. 2118 - 2124
[3] Patent: WO2018/5662, 2018, A1. Location in patent: Paragraph 0290
[4] Patent: EP3255042, 2017, A2. Location in patent: Paragraph 0180; 0181
[5] Patent: WO2014/121418, 2014, A1. Location in patent: Page/Page column 44
3-羟基-2-吡啶甲酸甲酯价格(试剂级)
| 报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
| 2026/09/15 | M2973 | 3-羟基-2-吡啶甲酸甲酯 Methyl 3-Hydroxy-2-pyridinecarboxylate | 62733-99-7 | 1g | 60元 |
| 2026/09/15 | XW026273399705 | 3-羟基-2-吡啶甲酸甲酯 | 62733-99-7 | 25G | 1080元 |
| 2026/09/15 | M2973 | 3-羟基-2-吡啶甲酸甲酯 Methyl 3-Hydroxy-2-pyridinecarboxylate | 62733-99-7 | 5g | 250元 |
