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公开(公告)号:US20040019229A1
公开(公告)日:2004-01-29
申请号:US10431951
申请日:2003-05-08
申请人: Clariant GmbH
IPC分类号: C11C003/00 , C07C39/42
CPC分类号: C07C303/32 , C07C303/22 , C07C309/42
摘要: A process for preparing acyloxybenzenesulfonates by reacting anhydrous phenolsulfonates with carboxylic acid derivatives comprises conducting the reaction with a salt of a phenolsulfonic acid which has a water content of less than 0.5% by weight and has been contacted with a substance having basic properties.
摘要翻译: 通过使无水苯磺酸盐与羧酸衍生物反应制备酰氧基苯磺酸盐的方法包括与水含量小于0.5重量%的苯酚磺酸盐进行反应,并与具有碱性的物质接触。
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公开(公告)号:US20040198995A1
公开(公告)日:2004-10-07
申请号:US10755950
申请日:2004-01-13
申请人: Clariant GmbH
IPC分类号: C07C39/28
CPC分类号: C07C303/32 , C07C303/22 , C07C309/42
摘要: A process for preparing acyloxybenzenesulfonates by reacting a carboxylic acid derivative with a salt of a phenolsulfonic acid in the presence of an antioxidant, preferably 2,6-di-tert-butyl-4-methylphenol. The addition of such antioxidants gives a product having a high color quality.
摘要翻译: 一种通过使羧酸衍生物与苯酚磺酸的盐在抗氧化剂,优选2,6-二叔丁基-4-甲基苯酚的存在下反应来制备酰氧基苯磺酸盐的方法。 添加这样的抗氧化剂可以提供具有高颜色品质的产品。
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