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METHOD OF OBTAINING 4,4'-DINITROSTILBENO-2,2'-DISULPHONIC ACID AND ITS SALTS
METHOD OF OBTAINING 4,4'-DINITROSTILBENO-2,2'-DISULPHONIC ACID AND ITS SALTS
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机译:获得4,4'-DINITROSTILBENO-2,2'-二硫代酸及其盐的方法
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摘要
Prepn. of a cpd. of formula (I) comprises oxidising 4-nitrotoluene-2-sulphonic acid with oxygen at 30-80 degrees C while dissolved in a mixture of 50-70 wt.% of water and 30-50 wt.% of ether alcohol of formula (II). M = H, Na, or K; a = 2-10; and b = 1-6.
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机译:准备cpd。式(I)的式(I)包括在溶解于50-70重量%的水和30-50重量%的式(I)的醚醇的混合物中的同时,在30-80℃下用氧气氧化4-硝基甲苯-2-磺酸。 II)。 M = H,Na或K; a = 2-10;并且b = 1-6。
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