異氰基乙酸乙酯
化合物
異氰基乙酸乙酯是一種有機化合物,化學式為C5H7NO2。根據一份2020年的統計,它是在學術研究中第五常見的異腈。[3]它可由N-甲醯基甘胺酸乙酯和光氣(或三氯氧磷[4])在三乙胺存在下於二氯甲烷中反應得到。[2]
異氰基乙酸乙酯 | |
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英文名 | Ethyl isocyanoacetate |
識別 | |
CAS編號 | 2999-46-4 ![]() |
PubChem | 533707 |
SMILES |
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InChI |
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InChIKey | FPULFENIJDPZBX-UHFFFAOYSA-N |
性質 | |
化學式 | C5H7NO2 |
莫耳質量 | 113.11 g·mol−1 |
外觀 | 黃色油狀液體[1] |
沸點 | 76—78 °C(349—351 K)(4 mmHg)[2] 80—82 °C(353—355 K)(12 mmHg)[1] |
若非註明,所有數據均出自標準狀態(25 ℃,100 kPa)下。 |
反應
編輯異氰基乙酸乙酯在催化下和乙醛反應,可以得到4,5-二氫-5-甲基-4-㗁唑甲酸甲酯,反應同時產生4S-反式異構物和4R-順式異構物,比例84:16。[5]它和己醛在對甲苯磺酸鈉存在下於水中反應,可以得到N-(2-羥基-1-氧代庚基)甘胺酸乙酯。[6]
- CNCH2COOC2H5 + KOH → CNCH2COOK + C2H5OH
參考文獻
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- ^ 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. (原始內容存檔於2022-03-05).
- ^ 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. (原始內容存檔於2022-06-29).
- ^ 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.
- ^ Matsumoto, Kazuo; Suzuki, Mamoru. Ethyl isocyanoacetate. e-EROS Encyclopedia of Reagents for Organic Synthesis. 2001: 1–3.CODEN 69KUHI.
- ^ 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. (原始內容存檔於2022-08-04).
- ^ 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. (原始內容存檔於2022-08-04).
- ^ 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.
- ^ 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. (原始內容存檔於2022-03-07).