二羟基苯甲酸甲酯(6);
以2,4-二羟基苯甲酸甲酯为原料,经过氯代反应、水解反应、脱羧反应合成2,4-二氯间苯二酚。
The compound 2,4-dichlororesorcinol was obtained from the starting material 2,4-dihydroxybenzoate via chlorinated reaction, hydrolysis and decarboxylation.
介绍了用苯甲酸改性的含羟基醇酸树脂和甲苯二异氰酸酯(TDI)预聚物的合成工艺,以及由二者制成醇酸型聚氨酯涂料的方法;
The synthetic process of a prepolymer based on benzoic acid modified hydroxyl alkyd resin and toluene diisocyanate (TDI) prepolymer and the coatings made from this prepolymer has been described.
去离子水、印度醋栗、红石榴提取液、茄红素、丙烯酸共聚物、酵母提取液、无花果精华、对羟基苯甲酸甲酯、咪唑烷基脲、丙二醇、甘油。
Ingredients: Deionized water, amalaki, pomegranate extract, lycopene, acrylic acid copolymer, yeast extract, fig essence, Methyl Paraben, imidazolidinyl urea, propylene glycol and glycerol.
以对羟基苯甲酸甲酯、1,4丁二醇为主要原料,经熔融酯交换合成介晶基元双-对羟基苯甲酸丁二醇酯(BBHB);
Bis(p-hydroxybenzonic acid butanediolate)(BBHB)as mesogenic unit was prepared with methyl p-hydroxybenzoate, 1,4-butanediol and catalyst by melting transesterification.
本文主要报道了以2- 氨基-4, 6-二羟基嘧啶和邻氯苯甲酸为起始原料合成除草剂氟嘧磺隆,以及详细地介绍了各个中间体的合成方法。
This paper reports the synthesis of herbicide ofprimisulfuron-methyl, the method uses 2-amino-4,6-dihydroxylpyrimidine and O-chlorobenzoic acid as the raw materials.
本文主要报道了以2- 氨基-4, 6-二羟基嘧啶和邻氯苯甲酸为起始原料合成除草剂氟嘧磺隆,以及详细地介绍了各个中间体的合成方法。
This paper reports the synthesis of herbicide ofprimisulfuron-methyl, the method uses 2-amino-4,6-dihydroxylpyrimidine and O-chlorobenzoic acid as the raw materials.
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