丛回Str回* 人他rå¹»udyæ—§gkinds ofsy"thenhesis methoethods ofhigh ddensltysweetCner SllCtslOSC,h thes thCSIS优 mOStly ady y follOWS: l.Developing a s抑thetlc rome forpreparæ—¶ion ofsucdose,Wnoh coå’–In reacting sucrose ith dlbå»ltln oxide to produce a sucrose dlstannoxane,acylatlå©the sucrosedlsåˆ moxaneto produce a sucroseï¼6ï¼esteL chlonnating the sucroseï¼6ï¼estCrto proå‘ce a sucraloseï¼6ï¼ester and deacylating the sucraloseï¼6ï¼estCr to produce sucralose. HOMtriï¼Ufl___lH lH_fvxï¼ï¼¿ï¼¼7' Yrx <。\ M"丫刀",Jï¼¼å·ã€‚开沉旺以 飞 八_八 厂V åœåŽ‚uhAIM V LfLf—— ""人ft MtMt uirlur1Hï¼¼Iï¼¼Nï¼¼j H DU—一n åœä¸€ã€ŠWJ一一一乙 HuV人们ï¼ï¼¿ã€‚,。__:__ï¼ï¼¿ã€‚CL人_______fï¼ä¸Š 夕" HO了"o LJä¹™å‘H UMåœ Hå£ä¸«Yåœï¼¼l\丫'CH。OH"u汀\丫八nå…« 八_ ""Hu"ï¼yNï¼ï¼gufl—"一""n"et tL""""""""IU yK WL fZ 2.he yields ofpreparatlon sucroseï¼6ï¼estCr一白色一哇士æ¢ä¸€ä¸ŠäºŒå·¨ sue丈亡一三辛åj区oseï¼6ï¼e茎白白一刊ã€ä¸€ä¸€åœåœŸr are slï¼…and 54ï¼…respective byopunixing each step reacuon conå£äºŒtlon.Increasing the yield of cNormation by anllllDroved Vllslmler reagent.he s何uctllfCofthe lastcomPmPondndwas coninirmed by using spectroscopic methods.I3.Dedosing a new chdonnatlon sucrose七ï¼ester meå±±cd and sudpogj its probåŠly reactive mechamsm as follows: 3 m。H。n。。。u。以 。IIï¼¼ 11 SOCL7 CH3,å 丫 一 ,。ï¼N*C*H 7mï¼v Gli">Nedth LL+SO。 Uhd"—""serCï¼ ï¼„ CH3N。,,,l一 一' ,11Cåœh。nD… 0 FH。,+1",,ï¼ROH。ï¼ä¸€,f。OR,oh6MJy Y 一。_>Nï¼c—H厂L\一二戈一和CH。>Nï¼C(,,CL二Q上三工二凸>CH3h。fH+RCL I二Ha—''一""一 HC二—"""""'"ï¼hoH 一『""""""""""... |