4-PHENYL-1,2,4-TRIAZOLINE-3,5-DIONE (CAS 4233-33-4) information, including chemical properties, structure, melting point, boiling point, density, formula, molecular weight, uses, prices, suppliers, SDS and more, available at Chemicalbook.
英文名称4-Phenyl-1,2,4-triazoline-3,5-dione 储存温度2-8°C储存,充氩 运输条件冰袋运输 产品介绍 用于将硫醇氧化成二硫化物的高效选择性试剂。通过烯丙基硅烷类化合物作用下的 [3+2] 环加成反应合成脲唑。 Highly selective reagent for oxidizing mercaptan to Disulfide. Ureazole was synthesized through ...
C8H5N3O2 Basic Info 4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) is an azodicarbonyl compound. PTAD is one of the strongest dienophiles and reacts rapidly with dienes in Diels-Alder reactions. The most prominent use of PTAD was the first successful synthesis of prismane in 1973. ...
英文名称: 4-Phenyl-3H-1,2,4-triazole-3,5(4H)-dione CAS No.: 4233-33-4 分子式: C8H5N3O2 分子量: 危险品级别: HS符号: 危害声明: 相关产品 × 大包装询盘 CAS NO 包装规格 纯度 数量 期望价格 单位名称 联系人 联系电话 电子邮件 备注 验证码 请填写图片中的字符 首页 分类 购物车 ...
英文名称4-Phenylurazole 应用Diels-Alder 捕捉剂 4-苯基-1,2,4-三唑啉-3,5-二酮的前体。 运输条件常规运输 产品介绍 Diels-Alder 捕捉剂 4-苯基-1,2,4-三唑啉-3,5-二酮的前体。 Precursor to the Diels-Alder trapping agent, 4-phenyl-1,2,4-triazoline-3,5-dione. ...
4-Phenyl-1,2,4-triazoline-3,5-dione (PTAD) reacts with 2,3-dimethyl and 2-methylindene at low temperature mainly to give 1,2-addition products. These products interconvert, then isomerise completely to the ene adducts in solution at RT. In methanol, solvent adducts are formed that also...
2) 4-methyl-1,2,4-triazoline-3,5-dione 4-甲基-1,2,4-三唑啉-3,5-二酮3) 4-aminoourazole 4-氨基-3,5-二氧代-1,2,4-三唑烷4) 3,5-di-(4-pyridyl)-1,2,4-triazoles 3,5-二-(4-吡啶基)-1,2,4-三唑5) 4-amino-3,5-disubstituted-1,2,4-triazol 4-氨基-3,5-二取代...
4-Phenyl-1,2,4-triazoline-3,5-dione in the ene reactions with cyclohexene, 1-hexene and 2, 3-dimethyl-2-butene. The heat of reaction and the influence of temperature and pressure on the reaction rate 机译:烯与环己烯,1-己烯和2,3-二甲基-2-丁烯的烯反应中的4-苯基-1,2,4-三唑啉-...
ChemInform Abstract: The Aza-Ene Reaction of Heterocyclic Ketene Aminals with 4-Phenyl-1,2,4-triazoline-3,5-dione. Zhang J H,Wang M X,Huang Z T.The aza-ene reaction of heterocyclic ketene aminals with 4-phenyl-1, 2, 4-triazoline-3, 5-dione[].Journal of ... Jian-Heng,Zhang,Mei...
Propellanes—XXXVIII : Reaction of tetraenic thiapropellanes and their derivatives with 4-phenyl-1,2,4-triazoline-3,5-dione Propellanes—XXXVIII : Reaction of tetraenic thiapropellanes and their derivatives with 4-phenyl-1,2,4-triazoline-3,5-dioneThe direction of attack of tetraenic and ...