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公开(公告)号:US06399827B1
公开(公告)日:2002-06-04
申请号:US09508382
申请日:2000-06-12
申请人: Soon-Jong Hahn , Jeong-Joo Shin , Jae-Min Ha , Chang-Mook Cho , Ki-Man Park , Kwang-Hee Yoo , Dong-Jin Choi , Jun-Weon Park
发明人: Soon-Jong Hahn , Jeong-Joo Shin , Jae-Min Ha , Chang-Mook Cho , Ki-Man Park , Kwang-Hee Yoo , Dong-Jin Choi , Jun-Weon Park
IPC分类号: C07C21162
CPC分类号: C07D295/037 , A01N33/12 , A01N43/84 , C07C217/08 , C23F11/141 , C23F11/149
摘要: Disclosed is quaternary ammonium phosphate compound having formula (1) and which has an anticorrosive and a biocidal efffect to have a capability of preventing corrosion of various metals including corrosive metal substances, e.g. carbon steels, iron casts, stain steels, coppers, tinning steel plates or alumina and an efficient method of preparing the same. In formula (1), R1 is a straight or a branched alkyl or aryl radical with 1 to 27 carbon atom(s) free of —OH group and may contain hereto-atoms, and both R2 and R3 are methyl groups or R2 and R3 are combined to form a heterocyclic compound with 4 to 6 of carbon atoms containing oxygen and nitrogen.
摘要翻译: 公开了具有式(1)的具有防腐蚀和杀生物效果的季铵磷酸盐化合物,其具有防止包括腐蚀性金属物质在内的各种金属的腐蚀的能力。 碳钢,铁铸件,污渍钢,铜板,镀锡钢板或氧化铝及其制备方法。 在式(1)中,R 1是具有1至27个碳原子的不含-OH基团的直链或支链烷基或芳基,并且可以含有原子,R2和R3均为甲基或R2和R3 合并形成含有氧和氮的具有4至6个碳原子的杂环化合物。
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2.
公开(公告)号:US20120330061A1
公开(公告)日:2012-12-27
申请号:US13515990
申请日:2010-12-06
申请人: Jae-Min Ha , Jeong-Soo Yu , Tae-Woong Lee , Jeong-Joo Shin
发明人: Jae-Min Ha , Jeong-Soo Yu , Tae-Woong Lee , Jeong-Joo Shin
IPC分类号: C07C231/02
CPC分类号: C07C319/20 , C07C323/60
摘要: This disclosure relates to a method for preparing N,N′-dimethyl-3,3′-dithiodipropionamides, which is an intermediate compound used for preparation of substituted 3-isothiazolones, including reacting 3,3′-dithiopropionic acid alkyl ester with an alkylamine at a temperature of from 0 to 50° C. in the presence of a polar solvent.
摘要翻译: 本公开涉及一种制备N,N'-二甲基-3,3'-二硫代二丙酰胺的方法,其是用于制备取代的3-异噻唑酮的中间体化合物,包括使3,3'-二硫代丙酸烷基酯与烷基胺 在0〜50℃的温度下,在极性溶剂的存在下进行。
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