Ruan Zhan-jun
2005
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Journal
Chemical Propellants & Polymeric Materials
Abstract
1-bromopentane was synthesized by sulfur-bromine method.Raw materials proportions and reaction conditions were investigated.The yield is high when volume ratio of bromine to 1-pentanol is 0.23 ̄0.29,volume ratio of water to 1-pentanol is 0.17 ̄0.35, reflux time is 7h, initial stage reaction temperature is about 40℃,mid-term temperature is about 100℃ and distillation temperature is 130 ̄135℃.The experimental method has advantages of high yield,low cost,good economic benefit,easy control,etc.50CB was synthesized using self-made 1-bromopentane.It is found 1HNMR by data of that the product structure and the molecule structure are same.