The intermediate of flazasulfuron weedicide,2-amino-4,6-dimethoxypyrimidine(Ⅰ)is conveniently obtained by treating 2-amino-4,6-dihydroxypyrimidine(Ⅱ)with diazomethane at 20 °C for 24h.
本文利用硝酸胍和丙二酸二乙酯为起始原料,经环合及甲氧基化两步反应得到除草剂啶嘧磺隆的中间体:2-氨基-4,6-二甲氧基嘧啶(Ⅰ)。
4,6-Dimethoxy-2-(methoxycarbamidothiocarbamido)pyrimidine was synthesized by mixing2-amino-4,6-dimethoxypyrimidine, KSCN and ClCOOCH3 in ethyl acetate.
利用2-氨基-4,6-二甲氧基嘧啶在干燥条件下与硫氰酸钾、氯甲酸甲酯在乙酸乙酯溶液中反应制得4-(4,6-二甲氧基嘧啶-2-基)-3-硫代脲酸甲酯,在二甲基甲酰胺溶液中培养出单晶,通过X射线单晶结构分析法测定分子结构和晶体结构,晶体属单斜晶系,空间群为C2/m,晶胞参数为:a=1。
Molecular structure and spectra of methyl N-(4,6-dimethoxypyrimidin-2-yl) carbamate;
4,6-二甲氧基-2-嘧啶氨基甲酸甲酯分子结构与光谱
Synthesis of 2-amino-4,6-dimethoxy pyrimidine;
2-氨基-4,6-二甲氧基嘧啶的合成研究
Research Progress of Synthesis of 4,6-dimethoxypyrimidin-2-amine as Intermediate of Sulfonylurea Herbicides
磺酰脲类除草剂中间体2-氨基-4,6-二甲氧基嘧啶的合成研究进展
Synthesis,Characterization and Biological Activity of Rare Earth Complexes with Sodium Molybdate and 2-amino-4,6-dimethoxypyrimidine
稀土钼酸2-氨基-4,6-二甲氧基嘧啶三元配合物的合成、表征及其生物活性研究
Synthesis and Characterization of Eleven Azo Compounds with 2-Amino-4, 6-Dimethyloxy Pyrimidine;
应用2—氨基—4,6—二甲氧基嘧啶合成十一种偶氮化合物
Research Progress of Synthesis of 2-chloro-4,6-dimethoxypyrimidine as Pyrimidylsalicylate Herbicides
嘧啶水杨酸类除草剂中间体2-氯-4,6-二甲氧基嘧啶的合成研究进展
Synthesis of 4,6-Dimethyl-2-Pyrimidinethiol
4,6-二甲基-2-巯基嘧啶的合成
Synthetic innovation of 2-amino-4-methoxypyrimidine
2-氨基-4-甲氧基嘧啶的合成改进
Synthesis and Crystal Structure of Binuclear Copper Complex of 4,6-Dimethyl-pyrimidin-2-mercaptoacetic Acid and o-Phenanthroline
4,6-二甲基-2-巯基嘧啶乙酸·邻菲咯啉双核铜配合物的合成及晶体结构
The Synthesis of 2-amino-4,6-dimethoxyl-1,3,5-triazine on Alcohol Sodium Titration
醇钠滴定法合成2-氨基-4,6-二甲氧基-1,3,5-三嗪的研究
Synthesis,Electrochemical Properties and Ion Recognition Character of a New Ligand(4,6-Dimethyl-2-Pyrimidinyl Thio) Acetic Acid
新配体4,6-二甲基-2-嘧啶硫乙酸的合成、电化学性质及离子识别性能研究
Synthesis and Characterization of N-methyl-phenylamino-4,6-dimethoxy-1,3,5-triazine;
N-甲基苯氨基-4,6-二甲氧基-1,3,5三嗪的合成与表征
Synthesis of 5-Diethylaminomethyl-6-methyl-2,4-dihydr-oxy pyrimidine
5-二乙氨甲基-6-甲基-2,4-二羟基嘧啶的合成
Research on synthesis of 2,4-dichloro-5-methoxy-pyrimidine
2,4-二氯-5-甲氧基嘧啶的合成研究
Synthesis of α-{[(5-Fluoro 2,4-dioxo-3,4-dihydropyrimidin-1-(2H)-yl)acetyl]amino}-2-methyl Pentanoic Acid
α-(5-氟尿嘧啶-1-基甲基甲酰基)氨基-2-甲基戊酸的合成
Synthesis of 2-mercapto-5,7-dimethyl-1,2,4-triazolo[1,5-α] pyrimidine
2-巯基-5,7-二甲基-1,2,4-三唑并[1,5-α]嘧啶的合成
Synthesis of 4-hydroxy-2-(4-fluoroanilino)-5,6-dimethylpyrimidine
4-羟基-2-(4-氟苯胺)-5,6-二甲基嘧啶的合成
Determination of 4-aminophenol impurities in sulfadimidine by high performance liquid chromatography
磺胺二甲嘧啶中4-氨基苯酚杂质的HPLC检测方法
Synthesis of 2-amino-6-methoxy-3-nitropyridine by Oxidative Amination
氧化胺化反应合成2-氨基-6-甲氧基-3-硝基吡啶