778-82-5

基本信息
3-碘代乙酸乙酯
3-吲哚乙酸乙酯
吲哚-3-乙酸乙酯, 98+%
3-INDOLYL-ACETIC ACID-ETHYL ESTER
ETHYL 3-INDOLACETATE
ETHYL 3-INDOLEACETATE
ethyl indol-3-ylacetate
ETHYL INDOLE-3-ACETATE
IAA ETHYL ESTER
INDOLE-3-ACETIC ACID ETHYL ESTER
Ethyl 1H-indol-3-ylacetate
Ethyl 3-indolylacetate
Ethyl beta-indolylacetate
Ethylindole-3-acetate,98+%
3-INDOLEACETICACIDETHYLESTER
IAA-OEt
(1H-Indole-3-yl)acetic acid ethyl
1H-Indole-3-acetic acid ethyl
物理化学性质
熔点 | 44-45 °C(lit.) |
沸点 | 164-166 °C1 mm Hg(lit.) |
密度 | 1.1255 (rough estimate) |
折射率 | 1.5260 (estimate) |
闪点 | >230 °F |
储存条件 | Sealed in dry,Room Temperature |
溶解度 | 溶于甲醇 |
酸度系数(pKa) | 16.70±0.30(Predicted) |
形态 | 结晶粉末 |
颜色 | 白色 |
水溶解性 | insoluble |
BRN | 171682 |
CAS 数据库 | 778-82-5(CAS DataBase Reference) |
NIST化学物质信息 | 1H-Indole-3-acetic acid, ethyl ester(778-82-5) |
安全数据
危险品标志 | Xn |
危险类别码 | R36/37/38-R21/22 |
安全说明 | S36/37/39-S26 |
WGK Germany | 3 |
RTECS号 | NL3528000 |
海关编码 | 29339900 |
制备方法

87-51-4

64-17-5

778-82-5
将吲哚-3-基乙酸(1.00 g,5.71 mmol)溶于25 mL乙醇中,加入浓硫酸(1.0 mL,18.4 mmol)。将反应混合物在回流条件下搅拌2小时。反应完成后,将混合物在冰浴中冷却至0℃,随后用2 N氢氧化钠溶液中和。减压蒸发除去有机溶剂,将残余物在二氯甲烷和水之间分配。水相用二氯甲烷萃取两次,合并有机相,用饱和食盐水洗涤,无水硫酸钠干燥,过滤后减压浓缩,得到吲哚-3-醋酸乙酯1.02 g(5.02 mmol,收率88%),为棕色油状物。产物经核磁共振氢谱(1H NMR,300 MHz,CDCl3)确认:δ 8.09(br.s, 1H), 7.63(d, J = 7.69 Hz, 1H), 7.35(d, J = 7.69 Hz, 1H), 7.04-7.25(m, 3H), 4.17(q, J = 7.14 Hz, 2H), 3.77(s, 2H), 1.26(t, J = 7.14 Hz, 3H)。超高效液相色谱-质谱联用(UPLC/MS)分析显示保留时间为1.58分钟,低分辨质谱(LRMS)测得m/z 204([M+1]+)。
参考文献:
[1] Journal of Heterocyclic Chemistry, 1986, vol. 23, p. 1777 - 1779
[2] Arzneimittel-Forschung/Drug Research, 2001, vol. 51, # 10, p. 814 - 824
[3] Patent: EP2548863, 2013, A1. Location in patent: Paragraph 0247
[4] Patent: WO2013/10881, 2013, A1. Location in patent: Page/Page column 95-96
[5] Chinese Chemical Letters, 2013, vol. 24, # 2, p. 127 - 130
图谱信息
吲哚-3-醋酸乙酯(778-82-5)质谱(MS)吲哚-3-醋酸乙酯(778-82-5)核磁图(1HNMR)吲哚-3-醋酸乙酯(778-82-5)核磁图(13CNMR)吲哚-3-醋酸乙酯(778-82-5)红外图谱(IR1)吲哚-3-醋酸乙酯(778-82-5)红外图谱(IR2)吲哚-3-醋酸乙酯(778-82-5)Raman光谱知名试剂公司产品信息
Ethyl 3-indoleacetate, 99%(778-82-5) Acros Organics
吲哚-3-醋酸乙酯价格(试剂级)
报价日期 | 产品编号 | 产品名称 | CAS号 | 包装 | 价格 |
2025/09/19 | A13474 | 吲哚-3-乙酸乙酯, 98+% Ethyl indole-3-acetate, 98+% | 778-82-5 | 5g | 704元 |
2025/05/22 | A13474 | 吲哚-3-乙酸乙酯, 98+% Ethyl indole-3-acetate, 98+% | 778-82-5 | 25g | 2891元 |
2025/05/22 | E0878 | 3-吲哚乙酸乙酯 Ethyl 3-Indoleacetate | 778-82-5 | 5g | 265元 |