Web4,5-二氨基-2-硫脲嘧啶 85%; CAS Number: 1004-76-8; EC Number: 213-727-5; Synonyms: 5,6-二氨基-4-羟基-2-巯基嘧啶; find Sigma-Aldrich-D17807 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich WebCN104974098A CN201510387349.XA CN201510387349A CN104974098A CN 104974098 A CN104974098 A CN 104974098A CN 201510387349 A CN201510387349 A CN …
CN1156449C - 制备n-(氨基-4,6-二卤嘧啶)甲酰胺的方法
Web本发明涉及通式Ⅰ或Ⅱ之n-(氨基-4,6-二卤嘧啶)甲酰胺的新制备方法:其中x是卤原子,其由通式Ⅲ的2,5-二氨基-4,6-二卤嘧啶起始,其中x具有如上所述的含意,与甲酸反应。 Web2-氨基-4,6-二氯嘧啶(英文名称为2-Amino-4,6- Dichloropyrimidine)又名4,6-二氯-2-嘧啶胺(,6-Dichloro-2-pyrimidinamine),纯品为白色片状结晶体,工业品为橘黄色粉末, … dsp1 consulting
CN1265393A - 制备n-(氨基-4,6-二卤嘧啶)甲酰胺的方法
Web2.The results show that the best conditions are:DMSO as solvent and bubbling NH3 into the solution,the yield of the 2,4,6-triamino-3,5-dinitropyridine-1-oxide was up to 80%,and the content of 2,6-diamino-3,5-dinitropyridine-1-oxide was decrease to 0.结果表明,以DMSO为溶剂、反应过程中不断通入氨气,胺化反应的收率和选择性最佳,2,4,6-三氨基-3,5-二硝基吡 … Web本发明涉及通式i或ii之n-(氨基-4,6-二卤嘧啶)甲酰胺的新制备方法:其中x是卤原子,其由通式iii的2,5-二氨基-4,6-二卤嘧啶起始,其中x具有如上所述的含意,与甲酸反应。 … http://www.basechem.org/chemical/53095 dsp1 pre-booked parking lower basement