济南威尔克化工有限公司现货销售各类化工原料:元明粉,纯碱,小苏打,片碱,k12,甲醇,十二烷基苯磺酸钠,AES,6501,OP—10,黄酸,硼砂,硼酸,柠檬酸,有机硅消泡剂,硫酸亚铁,聚丙烯酰胺等各种洗涤原料,污水处理及水泥助剂,公司实力雄厚,赢得了广大客户的信任,欢迎新老客户来电咨询。
德城区磺酸价格厂家直销磺酸的主要用途:用途
制染料、洗涤剂
0.05mmol),dppf(33.3mg,0.06mmol),Zn(13.mg,0.2mmol),Zn(CN)2(47.0mg,0.4mmo1),DMAP(91.6mg,0.75mmol),KI(41.5mg,0.25mmol)4-甲氧基甲横酸酯(107mg,0.5mmol)。
andthemixturewasstirredvigorouslyfor30min.Thelayerswereseparated,andtheorganicphasewasconcentratedtoalowstirrablevolume.Theresiduewasdissolvedin1THF/H2O(100mL)pound7canalternativelybeisolatedasacrystallinesolidasdescribedforcompound10图片OrganicProcessResearch&DevelopmentToaclean100LcylindricalreactionvesselwaschargedTHF(18kg).Withmediumagitation。
4.90mmol,1.0eq)inDCM(100.0mL)at0°C,wereaddedNEt3(1.0mL,7.35mmol,1.5eq)andMsCl(498mL,6.37mmol,1.3eq).Themixturewasstirred2hatroomtemperature.LiBr(4.2g。