beckmann rearrangement造句

例句与造句

1. Furbenicillin sodium , a known semi - synthetic ureide type of antibiotic firstly marketed in china , was synthesized from starting material 2 - furaldehyde via six steps including oximation reaction , beckmann rearrangement , isocyannuration , amination , condensation and salification etc
   摘要以呋喃甲醛为起始原料，经厉化、贝克曼重排、异氰脲酸化、氨基化、缩合和成盐6步反应，合成了酰脲类青霉素抗生素呋布西林钠。
2. It's difficult to find beckmann rearrangement in a sentence. 用beckmann rearrangement造句挺难的