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40 1 Vol. 40 No. 1
2010 2 Feb 2010

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ЈD(li)̖S482.4+4īIRaA¾̖1009-9212201001-0024-03
Preparation of Ethylsulfonyl Acetonitrile
CHEN MingNIE PingYANG BinZHAO Dong-jianLIU WeiMAO Chun-hui National Engineering Research Center for AgrochemicalsHunan Research Institute of Chemical IndustryChangsha 410007China
AbstractEthylsulfonyl acetonitrilewhich is a key intermediate for the preparation of super-efficient sulfonylurea herbicide rimsulfuronwas prepared via oxidation of ethylthio acetonitrile by hydrogen peroxide. The process afforded the title compound in 90% yield with a purity of above 98% under catalysis of sodium tungstate in acetic acid.
Key wordsethylthio acetonitrileethylsulfonyl acetonitrilerimsulfuron
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ոڣ2009-12-07
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