喹啉臭氧化-脱羧合成烟酸
黄成坤; 周聪晓; 李涛; 吾满江·艾力
2007
Conference Name2007年全国臭氧专业年会
Conference Date2007-11-23
Conference Place北京
Abstract

报道了在常压和低温下,在冰乙酸、乙酸乙酯和水的混合溶剂中臭氧化喹啉得到2,3-吡啶二羧酸,然后升华脱羧制备烟酸。试验考察了浓硫酸和溶剂对烟酸产率的影响,最佳反应条件为:n(浓硫酸):n(喹啉)=(1.1~1.5):1;V(冰乙酸):V(乙酸乙酯)=3:1。在该条件下2,3-吡啶二羧酸收率可稳定在66%以上,脱羧后得到烟酸,产率高于96%,熔点235~237.3℃,HPLC测得相对质量分数在95%以上。

Keyword烟酸 臭氧化 喹啉 2 脱羧反应 3-吡啶二羧酸 合成工艺
Funding Organization中国工业经济联合会 臭氧产业联合会
Document Type会议论文
Identifierhttp://ir.xjipc.cas.cn/handle/365002/2368
Collection新疆维吾尔自治区精细化工工程技术研究中心
Affiliation中国科学院新疆理化技术研究所
Recommended Citation
GB/T 7714
黄成坤,周聪晓,李涛,等. 喹啉臭氧化-脱羧合成烟酸[C],2007.
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