[1]马 银,冯薇伟,吴忆雯,等.2-氨基-1-甲氧基丙烷的合成[J].武汉工程大学学报,2018,40(04):377-381.[doi:10. 3969/j. issn. 1674?2869. 2018. 04. 005]
MA Yin,FENG Weiwei,WU Yiwen,et al.Synthesis of 2-Amino-1-Methoxypropane[J].Journal of Wuhan Institute of Technology,2018,40(04):377-381.[doi:10. 3969/j. issn. 1674?2869. 2018. 04. 005]
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]
- 卷:
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40
- 期数:
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2018年04期
- 页码:
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377-381
- 栏目:
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化学与化学工程
- 出版日期:
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2018-08-23
文章信息/Info
- Title:
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Synthesis of 2-Amino-1-Methoxypropane
- 文章编号:
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20180405
- 作者:
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马 银; 冯薇伟; 吴忆雯; 舒 畅; 卢宏宇; 张 冲; 奚 强*
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武汉工程大学化学与环境工程学院,湖北 武汉 430205
- Author(s):
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MA Yin; FENG Weiwei; WU Yiwen; SHU Chang; LU Hongyu; ZHANG Chong; XI Qiang*
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School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China
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- 关键词:
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2-氨基-1-甲氧基丙烷; 2-氨基丙醇; 氨基保护; 甲基化; 脱保护
- Keywords:
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2-amino-1-methoxypropane; 2-aminopropanol; aminoprotection reaction; methylation reaction; deprotection reaction
- 分类号:
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O623.73
- DOI:
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10. 3969/j. issn. 1674?2869. 2018. 04. 005
- 文献标志码:
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A
- 摘要:
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以外消旋2-氨基丙醇为初始原料,依次经过氨基保护,甲基化,氨基脱保护反应得到2-氨基-1-甲氧基丙烷。氨基保护反应时,苯甲醛与原料的摩尔比为1.1∶1,中间体2-苯亚甲基氨基-1-丙醇收率95.4%;甲基化反应时,最佳投料摩尔比为n(硫酸二甲酯)∶n(中间体2-苯亚甲基氨基-1-丙醇)∶n(氢氧化钠)为(1.3~1.4)∶1∶2,反应温度为15 ℃~20?℃,甲基化产物收率98.1%;氨基脱保护反应,反应温度50?℃,脱保护产物收率97.0%。目标产物经精馏纯化后气相检测纯度可达99.5%以上,并经过傅里叶红外光谱、磁核共振氢谱等分析手段进行了表征。合成路线简洁、保护剂可循环使用。
- Abstract:
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2-amino-1-methoxypropane was synthesized, with 2-aminopropanol as a starting material, by aminoprotection, methylation and deprotective reactions. First, the 2-benzylideneamino-1-propanol with the yield of 95.4%was obtained by amino-protected reaction with mole ratio 1.1∶1 of benzaldehyde to 2-aminopropanol. Second, the products with the yield of 98.1% were prepared by methylation with mole ratio(1.3-1.4)/1/2 of dimethyl sulfate/2-benzylideneamino-1-propanol/sodium hydroxide at 15 ℃-20 ℃, and then the 2-amino-1-methoxypropane with the yield of 97.0% was synthesized by amino deprotective reaction at 50 ℃ with 99.5% of purity after distillation. The product was further characterized by Fourier transform infrared spectroscopy and nuclear magnetic resonance hydrogen spectroscopy. The present work shows that this synthetic route is simple and economical since the catalyst can be recycled.
参考文献/References:
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备注/Memo
- 备注/Memo:
-
收稿日期:2018-04-25基金项目:湖北省自然科学基金(2011CDB222)作者简介:马 银,硕士研究生。E-mail:[email protected]*通讯作者:奚 强,博士,教授,硕士研究生导师。E-mail:[email protected]引文格式:马银,冯薇伟,吴忆雯,等. 2-氨基-1-甲氧基丙烷的合成[J]. 武汉工程大学学报,2018,40(4):377-381.
更新日期/Last Update:
2018-08-16