广州化工
廣州化工
엄주화공
GUANGZHOU CHEMICAL INDUSTRY AND TECHNOLOGY
2012年
4期
21-23
,共3页
资爱平%唐刚%晏彩先%马永翠%王大伟%毕韵梅
資愛平%唐剛%晏綵先%馬永翠%王大偉%畢韻梅
자애평%당강%안채선%마영취%왕대위%필운매
对溴甲基苯甲酸甲酯%自由基取代%正交实验%合成
對溴甲基苯甲痠甲酯%自由基取代%正交實驗%閤成
대추갑기분갑산갑지%자유기취대%정교실험%합성
methyl 4-(bromomethyl)benzoate%free radical substitution reaction%orthogonal test%synthesis
在四氯化碳溶液中,在光照条件下对甲基苯甲酸甲酯与N-溴代丁二酰亚胺(NBS)反应合成对溴甲基苯甲酸甲酯。通过正交实验得到对溴甲基苯甲酸甲酯的最佳合成条件为:NBS用量为对甲基苯甲酸甲酯的1.1倍,反应时间为4 h,过氧化苯甲酰为NBS的0.03倍,四氯化碳为对甲基苯甲酸甲酯的11倍,产率90.5%。
在四氯化碳溶液中,在光照條件下對甲基苯甲痠甲酯與N-溴代丁二酰亞胺(NBS)反應閤成對溴甲基苯甲痠甲酯。通過正交實驗得到對溴甲基苯甲痠甲酯的最佳閤成條件為:NBS用量為對甲基苯甲痠甲酯的1.1倍,反應時間為4 h,過氧化苯甲酰為NBS的0.03倍,四氯化碳為對甲基苯甲痠甲酯的11倍,產率90.5%。
재사록화탄용액중,재광조조건하대갑기분갑산갑지여N-추대정이선아알(NBS)반응합성대추갑기분갑산갑지。통과정교실험득도대추갑기분갑산갑지적최가합성조건위:NBS용량위대갑기분갑산갑지적1.1배,반응시간위4 h,과양화분갑선위NBS적0.03배,사록화탄위대갑기분갑산갑지적11배,산솔90.5%。
Methyl 4-(bromomethyl)benzoate was synthesized by the reaction of methyl 4-methylbenzoate with N-bromosuccinimide(NBS).The optimum conditions of synthesizing the compound by orthogonal test obtained were that the molar ratio of N-bromosuccinimide to methyl 4-methylbenzoate was 1.1:1,reaction time was 4 h,the molar ratio of benzoyl peroxide to n-bromosuccinimide was 0.03:1,and the molar ratio of carbon tetrachloride to methyl 4-methylbenzoate was 11:1.Under the optimum synthetic conditions,the yield of the product was 90.5%.