Li Xiao-xiang
2009
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Journal
Anhui Chemical Industry
Abstract
Object:Improved the conditions and routes of the 4-methyl-3-decen-5-ol,this way increased the yield of the product and being morehelpful for the industrial production.Method:The first step of the synthetic pathway was obtained 2-methyl-2-pentenal by condensation of the propionaldehyde under condition of the alkali.Then taked the pentyl alchol as the raw material,reacted with thionyl chloride obtained 1-chloropentane.Which reacted with magnesium obtain Grignard reagent.The Grignard reagent reacted with 2-methyl-2-pentenal then hydrolyzed to obtain 4-methyl-3-decen-5-ol.Conclusion:The 4-methyl-3-decen-5-ol were confirmed by1H-NMR and IR,and the characters of physical and chemical character is according with the objective compound,the assay is more than 98.0% by GC.