化工中间体
化工中間體
화공중간체
CHEMICAL INTERMEDIATE
2010年
9期
53-55
,共3页
右旋樟脑磺酸%磺化反应%核磁共振%结构确证
右鏇樟腦磺痠%磺化反應%覈磁共振%結構確證
우선장뇌광산%광화반응%핵자공진%결구학증
D-camphor sulfonic acid%Sulfonation%nuclear magnetic resonance%Structure confirmation
以天然樟脑为原料,在乙酐/硫酸体系中制备右旋樟脑磺酸,优化合成和结晶工艺,使收率提高到85%,生产周期缩短到20小时,不用甲苯等毒性试剂,无须重结晶,并通过1H NMR和13C NMR检测获得樟脑磺酸核磁共振图谱。
以天然樟腦為原料,在乙酐/硫痠體繫中製備右鏇樟腦磺痠,優化閤成和結晶工藝,使收率提高到85%,生產週期縮短到20小時,不用甲苯等毒性試劑,無鬚重結晶,併通過1H NMR和13C NMR檢測穫得樟腦磺痠覈磁共振圖譜。
이천연장뇌위원료,재을항/류산체계중제비우선장뇌광산,우화합성화결정공예,사수솔제고도85%,생산주기축단도20소시,불용갑분등독성시제,무수중결정,병통과1H NMR화13C NMR검측획득장뇌광산핵자공진도보。
As the raw material of natural camphor,in acetic anhydride / sulfuric acid system,preparation of D-camphor sulfonic acid,synthesis and optimization of the crystallization process,the yield increased to 85%,the production cycle shortened to 20 hours without toluene and other toxic agents,without recrystallization,by 1H NMR and 13C NMR detection of nuclear magnetic resonance patterns were camphor sulfonic acid.
