亚氨基二乙酸及草甘膦合成新工艺研究

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1、浙江大学硕士学位论文亚氨基二乙酸及草甘膦合成新工艺研究姓名：徐六兴申请学位级别：硕士专业：生物化工指导教师：许文松20060501浙江大学硕士学位论文关键词：羟基乙腈，二乙醇胺，亚氨基二乙酸，双甘膦，草甘膦，脱氢氧化，催化剂R柚eyCu，再生，新工艺浙江大学硕士学位论文AbstractImillodiaccticacid，Ⅱ蜘elyIDA，isanimponantfinechemicalproduct．IDAhasawidelyuseandwasusedmainlytoproduceglyphosate，apest

2、icide．Cu玎-cⅡtly，IDAisdemandcdmorcandmore酽eatlyinhome，butmethods，suchaschloroaceticacidmethod，usedtomanufactllreIDAiIldomesticcompaniesweretraditional，withalowyieldaⅡdlack0fqualjIycompetitj彻，伊eatlyenvironmentp01lutjn岛falljngshon0fthedemandofdearmanufactllre．Deh

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4、pe渤nnanceandusedingreat蜘ount．舢dthisdisadvantageimpedes“sproductiOninindustry．Glyphosate，丘rSt如entedbyMonsanto(U．S．Co．)in1971，isherbiddeanduseswodd诫dely．Andnowadays“sworldwideoutputisamollIltto300，000nons，0nethirdofwoddwideherbiddetotaloutput．Glyphosatemanufactw

5、甜tllrou曲IDAmethodisusedoVe刑helIniⅡginabroadcompanies．‰nparedwithabroadcompanies，mostoIlrdomesticcompaⅡiestakeGlycinemcthodaschoicetomaI】ufac￡urc91)lphosate．Glycinemethodbas珊anydisadvantages，suchasl衄gindus啊alnow，lOwerpmductquality∞mpetitionaⅡd伊eatpoⅡution．Soiti

6、seme唱enttop叩ularizeI【)Ametbodt0produceglyphosateiIlhomecompaIlies．Inorderto脚ularizemAmethodprOducingG1yphosate，neWmethodm唧fa咖血gDAshouldbefound．Inthisstudy，anewmetllodtoprep盯eIDAwithhy出oxyni锄ewaspresentedandIDAwassuccessfllllysynthesizebyusingthisnewmethod，．Bya

7、ddiⅡgaⅡinhibitoLa姗oniaaIldhydroxynitrilewereammonolyzedat一7℃toproduceaintemediateiminodiacetonitme．After20minheatprcseryatioⅡreaction阻PR)，iminodiacetonj锄e啪shydr01yzedbyalkaliat102℃toproduceasaltofdisodiumiminOdiaceticacid．SulfllricacjdwasaddedtothesolutioⅡtone

8、u圩alizetotheisoeleccricpointofiminodiaceticadd(IDA)，and【DAcrystallized浙江大学硕士学位论文丘Dmthesolution．Theproduc【IDAwasachjevedafterdecolorizin岛re口ystallizin舀filteringanddryiⅡg．Theroughyie