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烟草甲性信息素及其异构体的简易合成法
引用本文:陈海滨,胡武新,杜永均. 烟草甲性信息素及其异构体的简易合成法[J]. 农药学学报, 2015, 17(2): 225-229. DOI: 10.3969/j.issn.1008-7303.2015.02.16
作者姓名:陈海滨  胡武新  杜永均
作者单位:1.温州医科大学 健康与环境生态研究所, 浙江 温州 325035
基金项目:浙江省科技厅面上项目(2009C32088).
摘    要:从2,4-二甲基戊二酸出发,经酯化、还原、格氏反应、选择性保护分子中的一个羟基后,再经氧化及脱保护反应,以61%的总收率合成了烟草甲性信息素及其异构体——4,6-二甲基-7-羟基-3-壬酮(7);7经脱水环化反应,得到另一种烟草甲性信息素及其异构体——2,6-二乙基-3,5-二甲基-3,4-二氢呋喃(8)。各产物结构均经核磁共振氢谱、碳谱及质谱分析确证。

关 键 词:烟草甲   性信息素   2  4-二甲基戊二酸   格氏反应   脱水环化反应
收稿时间:2014-10-27

Convenient synthesis of the sex pheromone and its isomers of Lasioderma serricorne
Chen Haibin,Hu Wuxin and Du Yongjun. Convenient synthesis of the sex pheromone and its isomers of Lasioderma serricorne[J]. Chinese Journal of Pesticide Science, 2015, 17(2): 225-229. DOI: 10.3969/j.issn.1008-7303.2015.02.16
Authors:Chen Haibin  Hu Wuxin  Du Yongjun
Affiliation:1.Institute of Health and Environmental Ecology, Wenzhou Medical University, Wenzhou 325035, Zhejiang Province, China
Abstract:The sex pheromone of Lasioderma serricorne and its isomer, 7-hydroxyl-4,6-dimethylnonan-3-one(7), have been synthesized in an overall yield of 61% starting from 2,4-dimethylglutaric acid via esterification, reduction, Grignard reaction, mono-etherification, oxidation and deprotection reaction sequence. Another sex pheromone and its isomer 2,6-diethyl-3,5-dimethyl-3,4-dihydro-2H-pyran(8), were obtained by cyclodehydration of 7-hydroxy-4,6-dimethylnonan-3-one. The structures of products were confirmed by NMR and MS spectra spectroscopies.
Keywords:Lasioderma serricorne  sex pheromone  2,4-dimethylglutaric acid  Grignard reaction  cyclodehydration
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