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[1]李问鼎,冯薇伟,王军营,等.4-氨基-2-甲基-1-丁醇的合成[J].武汉工程大学学报,2021,43(02):139-142.[doi:10.19843/j.cnki.CN42-1779/TQ.202010012]
 LI Wending,FENG Weiwei,WANG Junying,et al.Synthesis of 4-Amino-2-Methyl-1-Butanol[J].Journal of Wuhan Institute of Technology,2021,43(02):139-142.[doi:10.19843/j.cnki.CN42-1779/TQ.202010012]
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4-氨基-2-甲基-1-丁醇的合成(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
43
期数:
2021年02期
页码:
139-142
栏目:
化学与化学工程
出版日期:
2021-04-30

文章信息/Info

Title:
Synthesis of 4-Amino-2-Methyl-1-Butanol
文章编号:
1674 - 2869(2021)02 - 0139 - 04
作者:
李问鼎冯薇伟王军营杨海涛奚 强*
武汉工程大学化学与环境工程学院,湖北 武汉 430205
Author(s):
LI WendingFENG WeiweiWANG JunyingYANG HaitaoXI Qiang*
School of Chemistry and Environmental Engineering,Wuhan Institute of Technology,Wuhan 430205,China
关键词:
4-氨基-2-甲基-1-丁醇氢甲酰化还原胺化羟基的保护与脱保护
Keywords:
4-amino-2-methyl-1-butanol hydroformylation amination and reduction hydroxyl protection and deprotection
分类号:
TQ203.2
DOI:
10.19843/j.cnki.CN42-1779/TQ.202010012
文献标志码:
A
摘要:
设计并合成了一种重要药物中间体4-氨基-2-甲基-1-丁醇。以异丁烯醇、乙酰氯为初始原料,经酯化反应、氢甲酰化反应、胺化还原反应和水解反应制得目标产物。经优化后的反应条件如下:氢甲酰化反应中膦配体/铑催化剂的摩尔比为4∶1,反应温度为120 ℃,合成气(CO/H2)压力为3 MPa,反应得到中间体醛;胺化还原反应中兰尼镍/底物醛的质量比为1∶20,H2压力为0.9 MPa,反应得到中间体胺。最后,通过核磁共振氢谱对产物进行了表征,确认目标产物为4-氨基-2-甲基-1-丁醇。产物的总收率为62%。该合成路线原料易得,条件温和,流程简便,有实现工业化生产的价值。
Abstract:
4-Amino-2-methyl-1-butanol, an essential intermediate for pharmacy and chemical engineering, was designed and synthesized via methallyl alcohol and acetyl chloride as the starting materials through?esterification, hydroformylation, amination, reduction and hydrolysis. After optimization, the most favorable reaction conditions were as follow: 4∶1 as the mole ratio of phosphine ligand/rhodium catalyst, 120 ℃ as the reaction temperature, 3 MPa as the pressure of syngas (CO/H2) in hydroformylation for the intermediate containing aldehyde group; and 5% as the mass ratio of Raney Ni/substrate with aldehyde group, 0.9 MPa as the pressure of H2 in amination and reduction for the intermediate containing amino group. The product was finally confirmed as the target with the 1H NMR characterization with the yield of 62% in term of the starting material isobutenol. The synthesis route is uncomplicated with accessible raw material, and can carried out under mild conditions, which is valuable for industrialization.

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备注/Memo

备注/Memo:
收稿日期:2020-10-14基金项目:湖北省自然科学基金(2012FFB04704)作者简介:李问鼎,硕士研究生。E-mail:[email protected]*通讯作者:奚 强,博士,教授。E-mail:[email protected]引文格式:李问鼎,冯薇伟,王军营,等. 4-氨基-2-甲基-1-丁醇的合成[J]. 武汉工程大学学报,2021,43(2):139-142,147.
更新日期/Last Update: 2021-04-26