开奖结果蓝月亮精选枓

热线电话

四甲基乙二胺合成

【背景及概述】

N,N,N’,N’-四甲基乙二胺为无色透明液体,稍有氨气味,与水混溶,可混溶于乙醇等多数有机溶剂,是一种重要的有机中间体,主要用作生化试剂、环氧树脂交联剂,季胺类化合物的合成中间体。工业上最传统的制备N,N,N’,N’-四甲基乙二胺的方法是以甲酸、甲醛为甲基化试剂与乙二胺进行反应,甲醛提供甲基,甲酸提供氢质子以及用作还原剂,此种方法反应条件温和,可以在常温常压下生产,转化率高,但问题在于反应过程中甲酸被氧化脱羧,放出大量的二氧化碳气体,同时多聚甲醛解聚也会放出甲醛气体,并且反应结束后过量的酸要用大量的碱处理,不符合绿色化学对原子经济性的要求。

开奖结果蓝月亮精选枓HAIYOUBAODAOLIYONGGUANDAOFANYINGQIHECHENGN,N,N’,N’-SIJIAJIYIERANDEFANGFA。GAIZHUANLISHEJIDAODEN,N,N’,N’-SIJIAJIYIERANDEHECHENGFANGFASHIYI1,2-ERLVYIWAN、QINGYANGHUANARONGYEHEGUOLIANGERJIAANSHUIRONGYEWEIYUANLIAO,ZAIRONGJICUNZAITIAOJIANXIA,ZAIGUANDAOFANYINGQIZHONGJINXINGYIBUFANYINGZHIDEHANYOUCHANWUN,N,N’,N’-SIJIAJIYIERANDEFANYINGYE。RANHOUDUISUODEFANYINGYEJINXINGERJIAANHUISHOU,JINGLIU,JIANGERJIAANHERONGJIFENGECHULAI,RONGJIXUNHUANSHIYONG,ZAICIJINGLIUJIDEN,N,N’,N’-SIJIAJIYIERANCHANPIN,SHOULVDADAO85%ZUOYOU。DEGUOBAODAOLEYIZHONGZAIJIAOGAOWENDUHEYALI,YOUSHUICUNZAIDETIAOJIANXIALIYONG1,2-ERLVYIWANHEGUOLIANGDEQINGYANGHUANA,ERJIAANYIQIJINXINGLIANXUFANYINGYONGLAIZHIBEIN,N,N’,N’-SIJIAJIYIERAN,FANYINGYEZHONGGUOLIANGERJIAANKEYITONGGUOJIAJIANDEFANGSHIHUISHOUXUNHUANSHIYONG,CONGERKEYIJIEYUECHENGBEN。SHANGSHUGONGYIJIANDAN,RONGYISHIXIANLIANXUHUAGONGYESHENGCHAN,SHOULVJIAOGAO,DANZHUYAOWENTISHIZAIFANYINGYEJIAJIANHUISHOUGUOLIANGERJIAANGUOCHENGZHONGYOUDALIANGHANYOUWUJIYANDEFEISHUISHENGCHENG,CHULIJIAOWEIKUNNAN,PAIFANGWURANHUANJING,WANQUANCHULIYOUZENGJIALESHENGCHANCHENGBEN。YINCIXUYAOYANFAYUANLIAOYIDE,SHENGCHANCHENGBENDI,GONGYIJIANDANQIESANFEIPAIFANGSHAO,FANYINGGUOCHENGZHUANHUALVHEXUANZEXINGGAODEN,N,N’,N’-SIJIAJIYIERANZHIBEIFANGFA。

【合成】

开奖结果蓝月亮精选枓YIZHONGERJIAJIYICHUNANZHIJIECUIHUAANHUASHENGCHANN,N,N’,N’-SIJIAJIYIERANDEFANGFA,QISHENGCHANGUOCHENGZHONGWURANPAIFANGSHAO,SHENGCHANCHENGBENDI,SHOULVGAO,GONGYIRONGYISHISHI。FANGFARUXIA:YIERJIAJIYICHUNANHEERJIAANWEIYUANLIAOBINGSHURUQINGQI,ZAIZIZHICUIHUAJICUNZAITIAOJIANXIA,ZAI100~250℃TONGGUOJIANXIEHUOZHELIANXUFANYINGYIBUFANYINGZHIDEN,N,N’,N’-SIJIAJIYIERAN,QIZHONGCUIHUAJIBAOKUOHANLIANGWEI15~55ZHONGLIANG%DECUIHUAJIHUOXINGZUFENHE45~85ZHONGLIANG%DECUIHUAJIZAITI,CUIHUAJIHUOXINGZUFENWEINIEHUO/HETONGHUO/HEGEHUO/HEXINHUO/HEGAOHUO/HETIEHUO/HEMENG,CUIHUAJIZAITIWEILVYUANSUGUIHUO/HELVDEYANGHUAWU;ERJIAJIYICHUNANYUERJIAANDEMOERBIWEI1:0.5~1:20;ERJIAJIYICHUNANYUQINGQIDEMOERBIWEI1:10~1:100;FANYINGWEILIANXUFANYINGSHI,GAIFANYINGSHIZAIGUDINGCHUANGFANYINGQIZHONGJINXINGCUIHUAANHUA,FANYINGYALI0.1~5Mpa,ERJIAJIYICHUNANTIJIKONGSU0.1~3h-1;FANYINGWEIJIANXIEFANYINGSHI,CUIHUAJIYONGLIANGZHANERJIAJIYICHUNANTOULIAOLIANGDE0.5~5ZHONGLIANG%,JIAOBANFANYINGSHIJIANWEI5~10XIAOSHI。

【应用】

N,N,N’,N’-SIJIAJIYIERANSHIYIZHONGZHONGYAODEYOUJIZHONGJIANTI,ZHUYAOYONGZUOSHENGHUASHIJI、HUANYANGSHUZHIJIAOLIANJI,JIANLEIHUAHEWUDEHECHENGZHONGJIANTI。YINGYONGJULIRUXIA:

YOUN,N,N’,N’-SIJIAJIYIERANZHIBEIYIZHONGHANBENJIYANGLIZIXINGDIJUBIAOMIANHUOXINGJI,DIJUBIAOMIANHUOXINGJIHUODUOJUBIAOMIANHUOXINGJI,SHIJIANGLIANGGEHUOLIANGGEYISHANGDELIANGQINCHENGFEN,ZAIQITOUJIHUOKAOJINTOUJICHUYOULIANJIEJITUANTONGGUOHUAXUEJIANLIANJIEZAIYIQIERXINGCHENGDEYILEIXINXINGBIAOMIANHUOXINGJI。YUCHUANTONGDEBIAOMIANHUOXINGJIXIANGBI,TAJUYOULINJIEJIAOSHUNONGDUGENGDI,RUNSHIXINGHAO,BIAOMIANZHANGLI、KrafftDIANGENGDI,JUJIXINGTAITESHUDENGGENGGAODEBIAOMIANHUOXING,GUXIANGDUIJIAODIDESHIJIALIANGJINENGHUODEJIAOGAODEXIAOGUO,SUOYIYANZHIDIJUBIAOMIANHUOXINGJIDUIYUYANJIUBIAOMIANHUOXINGJIDEXINGZHIYIJIQIBENSHENDEZIZUZHUANGNENGLIJUYOU ZHONGYAODEYIYI。CONGDANGQIANLAIKAN,DIJUBIAOMIANHUOXINGJIZAISHIJIEFANWEINEIDOUZUOWEIYIXIANGHENYOUFAZHANQIANJINGDEKAIFAXIANGMULAIKANDAI,KAIFAXINGNENGGENGYOUYUEDEBIAOMIANHUOXINGJIGENGSHIBEISHOUGUANZHUDEREMENHUATI。QIJIEGOURUXIA:

6Br-ZHIQINSHUIYANGLIZISUODAIDEXIUFANLIZI。

ZHIBEIFANGFABUZHOURUXIA:

开奖结果蓝月亮精选枓1)JIANGGUOLIANGDERONGYUYOUJIRONGJIZHONGDESIJIAJIYIERANYURONGYUYOUJIRONGJIDEXIUDAISHISIWANHUNHEHOU,JIAREHUILIUTIAOJIANXIAJINXINGSIJIAJIERANDEDANBIANJIANHUAFANYING40~60XIAOSHI,JINGCHUNHUA,ZHIDEZHONGJIANCHANWU;

2)JIANGBUZHOU1)ZHIDEDEZHONGJIANCHANWURONGJIEYUYOUJIRONGJIZHONG,RANHOUJIARURONGYUYOUJIRONGJIDE2,4,6- SANXIUJIAJISANJIAJIBEN,ZHONGJIANCHANWUYU2,4,6-SANXIUJIAJISANJIAJIBENDEMOERBIWEI(3~4):1,JINGJIAREHUILIU FANYING24~48XIAOSHI,CHUNHUA,ZHIDEHANBENJIYANGLIZIXINGDIJUBIAOMIANHUOXINGJI。

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