2-甲基-5-乙基吡啶

2-甲基-5-乙基吡啶
别名	5-乙基-2-甲基吡啶
识别
CAS号	104-90-5
PubChem	7728
ChemSpider	21105900
SMILES	CCC1=CN=C(C=C1)C;
Beilstein	109269
UN编号	2300
RTECS	TJ6825000
性质
化学式	C8H11N
摩尔质量	121.18 g·mol−1
外观	无色液体
密度	0.9208 g/cm3
熔点	−70.3 °C（203 K）
沸点	178 °C（451 K）
溶解性（水）	1.2 g/100 mL
危险性
	GHS危险性符号;
GHS提示词	危险
H-术语	H302, H311, H314, H315, H317, H319, H331, H412
P-术语	P260, P261, P264, P270, P271, P272, P273, P280, P301+312, P301+330+331, P302+352, P303+361+353, P304+340, P305+351+338
	若非注明，所有数据均出自标准状态（25 ℃，100 kPa）下。

2-甲基-5-乙基吡啶是一种有机化合物，化学式为(C₂H₅)(CH₃)C₅H₃N，是无色液体，可用于制备烟酸。^[1]它可由2-甲基-5-乙基哌啶的脱氢反应制得。^[2]甲醛和氨的反应也能制得2-甲基-5-乙基吡啶。^[3]它和高锰酸钾在碱性溶液中氧化，可以得到2,5-吡啶二甲酸等产物；^[4]它在冰乙酸中被过氧化氢氧化，得到2-甲基-5-乙基吡啶-N-氧化物。^[5]

参考文献

^ 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 （英语）.
^ 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 （英语）.
^ 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. （原始内容存档于2018-06-23）（英语）.

[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 （英语）.

[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 （英语）.

[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. （原始内容存档于2018-06-23）（英语）.

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