Yun Shao-jun
2007
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Journal
Applied Chemical Industry
Abstract
11-Bromoundecanoic acid was synthesized with 10-undecanoic acid and hydrobromic acid as raw materials.The effects of initiating agent,solvent,reaction temperature,the ways of disposal,ripening time etc.on the reaction and product were investigated.The optimum reaction conditions were obtained,i.e,the solvent was the mixed solvent of benzene and toluene(ratio benzene to toluene was 1 ∶0.83),mass ratio 10-undecanoic acid to solvent was 1 ∶4,the initiating agent was benzoyl peroxide,the reaction temperature was 5~20 ℃,the ripening time was 6 h.Under these conditions,the yield of 11-bromoundecanoic acid may up to 91%.