论文部分内容阅读
一种3-氟-5-硝基三氟甲苯的制备方法3,5-二硝基三氟甲苯在氟化剂和催化剂存在下,在有机溶剂中进行反应,得到3-氟-5-硝基三氟甲苯。本发明的制备方法中副产物容易分离、同时可工业化。公告号:CN100344605申请人:上海万溯化学有限公司;上海康鹏化学有限公司α,α′-[亚氨基二(亚甲基)]-双-(6-氟-3,4-二氢-2H-1-苯并吡喃-2-甲醇)甲烷磺酸盐以6-氟-3,4-二氢-2-环氧乙烷基-2H-1-苯骈吡喃为原料制得6-氟-3,4-二氢-1-[氨基(亚甲基)]-2H-1-苯骈吡喃-2-甲醇。依次用LiAlH_4处理后制得锂铝酰胺化合物,再
Preparation of 3-Fluoro-5-nitrobenzotrifluoride 3,5-Dinitrobenzotrifluoride is reacted in an organic solvent in the presence of a fluorination agent and a catalyst to give 3-fluoro-5-nitro Benzotrifluoride toluene. The by-product in the production method of the present invention is easy to separate and can be industrialized at the same time. Publication number: CN100344605 Applicant: Shanghai Wanchem Chemical Co., Ltd .; Shanghai Kangpeng Chemical Co., Ltd. α, α ’- [iminodimethylene] -bis- 2H-1-benzopyran-2-methanol) methanesulfonate Starting from 6-fluoro-3,4-dihydro-2-oxiranyl-2H-1-benzopyran, 6 Fluoro-3,4-dihydro-1- [amino (methylene)] - 2H-1 -benzopyran-2-methanol. Followed by treatment with LiAlH_4 lithium aluminum amide compound, and then