对新型的液晶材料5-正丙基-2-（3，5-二氟苯基）嘧啶的合成路线进行了改进。
This paper presents an improved process for the preparation of the novel liquid crystal 5-propyl2-(3,5-difluorophenyl)pyrimidine.
取代的2'，3'-二脱氧-5-三氟甲基尿嘧啶核苷类，它们的制备方法以及它们在医药方面的应用。
Substituted 2', 3'-dideoxy-5-trifluoromethylur idines, processes for their preparation and their use in medicaments.
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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