2-甲基-5-乙基吡啶

2-甲基-5-乙基吡啶
別名	5-乙基-2-甲基吡啶
識別
CAS號	104-90-5
PubChem	7728
ChemSpider	21105900
SMILES	CCC1=CN=C(C=C1)C;
Beilstein	109269
UN編號	2300
RTECS	TJ6825000
性質
化學式	C8H11N
摩爾質量	121.18 g·mol−1
外觀	無色液體
密度	0.9208 g/cm3
熔點	−70.3 °C（203 K）
沸點	178 °C（451 K）
溶解性（水）	1.2 g/100 mL
危險性
	GHS危險性符號;
GHS提示詞	危險
H-術語	H302, H311, H314, H315, H317, H319, H331, H412
P-術語	P260, P261, P264, P270, P271, P272, P273, P280, P301+312, P301+330+331, P302+352, P303+361+353, P304+340, P305+351+338
	若非註明，所有數據均出自標準狀態（25 ℃，100 kPa）下。

2-甲基-5-乙基吡啶是一種有機化合物，化學式為(C₂H₅)(CH₃)C₅H₃N，是無色液體，可用於製備煙酸。^[1]它可由2-甲基-5-乙基哌啶的脫氫反應製得。^[2]甲醛和氨的反應也能製得2-甲基-5-乙基吡啶。^[3]它和高錳酸鉀在鹼性溶液中氧化，可以得到2,5-吡啶二甲酸等產物；^[4]它在冰乙酸中被過氧化氫氧化，得到2-甲基-5-乙基吡啶-N-氧化物。^[5]

參考文獻

^ Shimizu, Shinkichi; Watanabe, Nanao; Kataoka, Toshiaki; Shoji, Takayuki; Abe, Nobuyuki; Morishita, Sinji; Ichimura, Hisao, Pyridine and Pyridine Derivatives, Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, 2005, doi:10.1002/14356007.a22_399
^ Jacob Finkelstein, Robert C. Elderfield. STUDIES IN THE PYRIDINE SERIES. I. AN IMPROVED SYNTHESIS OF 2,3-DIMETHYLPYRIDINE AND THE CONVERSION OF THE LATTER INTO AN ANALOG OF THIAMINE. The Journal of Organic Chemistry. 1939-09, 04 (4): 365–375 [2021-04-07]. ISSN 0022-3263. doi:10.1021/jo01216a002 （英語）.
^ K.V.V. Krishna Mohan, K. Suresh Kumar Reddy, N. Narender, S.J. Kulkarni. Zeolite catalysed synthesis of 5-ethyl-2-methylpyridine under high pressure. Journal of Molecular Catalysis A: Chemical. 2009-02, 298 (1-2): 99–102 [2021-04-07]. doi:10.1016/j.molcata.2008.10.010 （英語）.
^ Nurullaeva, M. K.; Azizov, U. M.; Azimov, V. A.; Yakhontov, L. N. Synthesis and conversions of (2-methyl-5-pyridyl)glyoxylic acid derivatives. Khimiko-Farmatsevticheskii Zhurnal, 1989. 23 (8): 985-987. ISSN: 0023-1134.
^ Veronika F.S. Pape, Dóra Türk, Pál Szabó, Michael Wiese, Eva A. Enyedy, Gergely Szakács. Synthesis and characterization of the anticancer and metal binding properties of novel pyrimidinylhydrazone derivatives. Journal of Inorganic Biochemistry. 2015-03, 144: 18–30 [2021-04-07]. doi:10.1016/j.jinorgbio.2014.12.015. （原始內容存檔於2018-06-23）（英語）.

[ullmann-1] Shimizu, Shinkichi; Watanabe, Nanao; Kataoka, Toshiaki; Shoji, Takayuki; Abe, Nobuyuki; Morishita, Sinji; Ichimura, Hisao, Pyridine and Pyridine Derivatives, Ullmann's Encyclopedia of Industrial Chemistry, Weinheim: Wiley-VCH, 2005, doi:10.1002/14356007.a22_399

[2] Jacob Finkelstein, Robert C. Elderfield. STUDIES IN THE PYRIDINE SERIES. I. AN IMPROVED SYNTHESIS OF 2,3-DIMETHYLPYRIDINE AND THE CONVERSION OF THE LATTER INTO AN ANALOG OF THIAMINE. The Journal of Organic Chemistry. 1939-09, 04 (4): 365–375 [2021-04-07]. ISSN 0022-3263. doi:10.1021/jo01216a002 （英語）.

[3] K.V.V. Krishna Mohan, K. Suresh Kumar Reddy, N. Narender, S.J. Kulkarni. Zeolite catalysed synthesis of 5-ethyl-2-methylpyridine under high pressure. Journal of Molecular Catalysis A: Chemical. 2009-02, 298 (1-2): 99–102 [2021-04-07]. doi:10.1016/j.molcata.2008.10.010 （英語）.

[4] Nurullaeva, M. K.; Azizov, U. M.; Azimov, V. A.; Yakhontov, L. N. Synthesis and conversions of (2-methyl-5-pyridyl)glyoxylic acid derivatives. Khimiko-Farmatsevticheskii Zhurnal, 1989. 23 (8): 985-987. ISSN: 0023-1134.

[5] Veronika F.S. Pape, Dóra Türk, Pál Szabó, Michael Wiese, Eva A. Enyedy, Gergely Szakács. Synthesis and characterization of the anticancer and metal binding properties of novel pyrimidinylhydrazone derivatives. Journal of Inorganic Biochemistry. 2015-03, 144: 18–30 [2021-04-07]. doi:10.1016/j.jinorgbio.2014.12.015. （原始內容存檔於2018-06-23）（英語）.

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