林产化学与工业 ›› 2021, Vol. 41 ›› Issue (3): 11-18.doi: 10.3969/j.issn.0253-2417.2021.03.002
舒恒毅1,3, 郑志锋3,4, 刘守庆1,3, 何宏舟2, 黄元波2,3,*()
收稿日期:
2020-10-27
出版日期:
2021-06-28
发布日期:
2021-07-01
通讯作者:
黄元波
E-mail:youthshow@163.com
作者简介:
黄元波, 副教授, 硕士生导师, 主要从事生物质能源与材料研究教学工作; E-mail: youthshow@163.com基金资助:
Hengyi SHU1,3, Zhifeng ZHENG3,4, Shouqing LIU1,3, Hongzhou HE2, Yuanbo HUANG2,3,*()
Received:
2020-10-27
Online:
2021-06-28
Published:
2021-07-01
Contact:
Yuanbo HUANG
E-mail:youthshow@163.com
摘要:
利用油酸甲酯(MO)与液态短链烯烃底物通过烯烃交叉复分解反应制备长链终端烯烃化学品1-癸烯(CM1)和9-癸烯酸甲酯(CM2)。首先,通过油酸甲酯的自复分解反应评估4种典型催化剂,确定最佳催化剂为第二代Hoveyda-Grubbs催化剂。然后,选取4种不同结构的底物探讨其对目标产物选择性的影响机理,并利用另外6种底物验证上述机理的合理性,实验表明,具有大位阻富电子基团的苯乙烯、丁香酚及烯丙基三甲基硅烷有利于目标产物生成,特别是具有π键的苯环与催化剂活性体进行螯合组成环式关键中间体将引导反应向目标产物方向进行,提高目标产物选择性。
中图分类号:
舒恒毅, 郑志锋, 刘守庆, 何宏舟, 黄元波. 油酸甲酯烯烃交叉复分解制备烯烃化学品中底物影响机制探究[J]. 林产化学与工业, 2021, 41(3): 11-18.
Hengyi SHU, Zhifeng ZHENG, Shouqing LIU, Hongzhou HE, Yuanbo HUANG. Effect Mechanism of Substrates on Cross-metathesis Reaction for Preparation of Long-chain Terminal Olefin Chemicals from Methyl Oleate[J]. Chemistry and Industry of Forest Products, 2021, 41(3): 11-18.
表2
烯烃底物对交叉复分解反应的影响"
烯烃底物 olefin substrate | MO转化率MO conversion/% | CM1产率CM1 yield/% | CM2产率CM2 yiled/% | ||||||||
0 ℃ | 30 ℃ | 50 ℃ | 0 ℃ | 30 ℃ | 50 ℃ | 0 ℃ | 30 ℃ | 50 ℃ | |||
烯丙基缩水甘油醚 allyl glycidyl ether | 30 | 27 | 29 | 3 | 2 | 2 | 2 | 2 | 2 | ||
2-甲氧基丙烯 2-methoxypropylene | 51 | 59 | 50 | 0 | 0 | 0 | 0 | 0 | 0 | ||
苯乙烯styrene | 59 | 54 | 54 | 37 | 29 | 26 | 35 | 28 | 24 | ||
氯丙烯allyl chloride | 67 | 57 | 82 | 17 | 17 | 4 | 18 | 18 | 6 |
表3
不同底物交叉复分解反应结果"
烯烃底物 olefin substrate | MO转化率MO conversion/% | CM1产率CM1 yield/% | CM2产率CM2 yiled/% | ||||||||
0 ℃ | 30 ℃ | 50 ℃ | 0 ℃ | 30 ℃ | 50 ℃ | 0 ℃ | 30 ℃ | 50 ℃ | |||
乙酸烯丙酯allyl acetate | 51 | 61 | 39 | 6 | 8 | 6 | 6 | 7 | 6 | ||
丙烯酸甲酯methyl acrylate | 76 | 83 | 85 | 2 | 2 | 1 | 2 | 1 | 1 | ||
丙烯腈acrylonitrile | 51 | 43 | 45 | 3 | 3 | 3 | 2 | 3 | 3 | ||
丁香酚eugenol | 97 | 98 | 98 | 80 | 78 | 76 | 79 | 77 | 78 | ||
烯丙基三甲基硅烷 allyltrimethylsilane | 83 | 78 | 86 | 33 | 27 | 17 | 33 | 27 | 18 | ||
丙烯醇allyl alcohol | 22 | 24 | 22 | 3 | 2 | 0 | 3 | 2 | 0 |
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