异氰基乙酸乙酯

化合物

异氰基乙酸乙酯是一种有机化合物,化学式为C5H7NO2。根据一份2020年的统计,它是在学术研究中第五常见的异腈[3]它可由N-甲酰基甘氨酸乙酯和光气(或三氯氧磷[4])在三乙胺存在下于二氯甲烷中反应得到。[2]

异氰基乙酸乙酯
英文名 Ethyl isocyanoacetate
识别
CAS号 2999-46-4  checkY
PubChem 533707
SMILES
 
  • CCOC(=O)C[N+]#[C-]
InChI
 
  • 1S/C5H7NO2/c1-3-8-5(7)4-6-2/h3-4H2,1H3
InChIKey FPULFENIJDPZBX-UHFFFAOYSA-N
性质
化学式 C5H7NO2
摩尔质量 113.11 g·mol−1
外观 黄色油状液体[1]
沸点 76—78 °C(349—351 K)(4 mmHg)[2]
80—82 °C(353—355 K)(12 mmHg)[1]
若非注明,所有数据均出自标准状态(25 ℃,100 kPa)下。

反应

编辑

异氰基乙酸乙酯在催化下和乙醛反应,可以得到4,5-二氢-5-甲基-4-𫫇唑甲酸甲酯,反应同时产生4S-反式异构体和4R-顺式异构体,比例84:16。[5]它和己醛对甲苯磺酸钠存在下于中反应,可以得到N-(2-羟基-1-氧代庚基)甘氨酸乙酯。[6]

它在氢氧化钾溶液中水解,生成异氰基乙酸钾。[7]

CNCH2COOC2H5 + KOH → CNCH2COOK + C2H5OH

它和磺酰氯三氯甲烷中反应,可以得到N-二氯亚甲基甘氨酸乙酯。[8]

 

氯化铜邻菲啰啉碳酸铯存在下,它和芳胺、二氟氯乙酸钠反应,可以得到相应的芳基咪唑甲酸乙酯。[9]

 

参考文献

编辑
  1. ^ 1.0 1.1 Novotortsev, Vladimir K.; Kukushkin, Maxim E.; Tafeenko, Viktor A.; Skvortsov, Dmitry A.; Kalinina, Marina A.; Timoshenko, Roman V.; Chmelyuk, Nelly S.; Vasilyeva, Liliya A.; Tarasevich, Boris N.; Gorelkin, Petr V.; Erofeev, Alexander S.; Majouga, Alexander G.; Zyk, Nikolai V.; Beloglazkina, Elena K. Dispirooxindoles Based on 2-Selenoxo-Imidazolidin-4-Ones: Synthesis, Cytotoxicity and ROS Generation Ability. International Journal of Molecular Sciences. 5 March 2021, 22 (5): 2613 [2022-08-02]. PMC 7961907 . PMID 33807662. doi:10.3390/ijms22052613. eISSN 1422-0067. (原始内容存档于2022-06-17). 
  2. ^ 2.0 2.1 Ugi, I.; Fetzer, U.; Eholzer, U.; Knupfer, H.; Offermann, K. Isonitrile Syntheses. Angewandte Chemie International Edition. June 1965, 4 (6): 472–484 [2022-08-02]. ISSN 0570-0833. doi:10.1002/anie.196504721. eISSN 1521-3773. (原始内容存档于2022-03-05). 
  3. ^ Patil, Pravin; Ahmadian-Moghaddam, Maryam; Dömling, Alexander. Isocyanide 2.0. Green Chemistry. 2020, 22 (20): 6902–6911 [2022-08-02]. ISSN 1463-9262. doi:10.1039/D0GC02722G. eISSN 1463-9270. (原始内容存档于2022-06-29). 
  4. ^ Matsuo, Takashi; Hayashi, Akihiro; Abe, Masato; Matsuda, Takaaki; Hisaeda, Yoshio; Hayashi, Takashi. Meso-Unsubstituted Iron Corrole in Hemoproteins: Remarkable Differences in Effects on Peroxidase Activities between Myoglobin and Horseradish Peroxidase. Journal of the American Chemical Society. 7 October 2009, 131 (42): 15124–15125. ISSN 0002-7863. PMID 19810701. doi:10.1021/ja907428e. eISSN 1520-5126. 
  5. ^ Matsumoto, Kazuo; Suzuki, Mamoru. Ethyl isocyanoacetate. e-EROS Encyclopedia of Reagents for Organic Synthesis. 2001: 1–3. CODEN 69KUHI.
  6. ^ Sela, Tal; Vigalok, Arkadi. Salt‐Controlled Selectivity in “on Water” and “in Water” Passerini‐Type Multicomponent Reactions. Advanced Synthesis & Catalysis. 22 August 2012, 354 (13): 2407–2411 [2022-08-04]. ISSN 1615-4150. doi:10.1002/adsc.201200448. eISSN 1615-4169. (原始内容存档于2022-08-04). 
  7. ^ Wang, Jian; Zhong, Ling; Tang, Shi; Liu, Yuan; Ding, Shumin; Li, Lianjie; Zhao, Haixia; Chen, Chen; Shang, Yongjia. Palladium-Catalyzed Divergent Imidoylative Cyclization of Multifunctionalized Isocyanides: Tunable Access to Oxazol-5(4H)-ones and Cyclic Ketoimines. The Journal of Organic Chemistry. 6 May 2020, 85 (11): 7297–7308 [2022-08-04]. ISSN 0022-3263. PMID 32370499. doi:10.1021/acs.joc.0c00672. eISSN 1520-6904. (原始内容存档于2022-08-04). 
  8. ^ Gober, Claire M.; Le, Hoang V.; Ganem, Bruce. A simple, general synthesis of carbonimidic dichlorides. Tetrahedron Letters. August 2012, 53 (34): 4536–4537. ISSN 0040-4039. PMC 3409665 . PMID 22865938. doi:10.1016/j.tetlet.2012.06.046. 
  9. ^ Wang, Ya; Zhou, Yao; Song, Qiuling. [3+1+1] type cyclization of ClCF2COONa for the assembly of imidazoles and tetrazoles via in situ generated isocyanides. Chemical Communications. 2020, 56 (45): 6106–6109 [2022-08-04]. ISSN 1359-7345. PMID 32356534. doi:10.1039/d0cc01919d. eISSN 1364-548X. (原始内容存档于2022-03-07).