The present invention relates to synthesis of 3,5-dichlorobenzoyl chloride. According to the present invention, anthranilic acid is adopted as a raw material, three step reactions of chlorine substitution, diazotization reduction and chlorination are performed to produce 3,5-dichlorobenzoyl chloride....
1,3-dichloro-5-nitro-benzen; 1,3-DICHLORO-5-NITROBENZENE; 3,5-Dichloro-1-nitrobenzene; 3,5-Dichloronitrobenzene; 5-Nitro-m-dichlorobenzene; Benzene, 1,3-dichloro-5-nitro-; m-Dichloronitrobenzene; meta-Dichloronitrobenzene; NSC 53841; NSC 60642; 1.3 CAS No. 618-62-2 1.4 CID 12064 1.5...
gem-dichlorination 2,4,6-Tris[(4-dichloroiodo)phenoxy)]-1,3,5-triazine这2个如何翻译？
溶液,滴加时间控制在1.0—1.5h 之间,然后保温反应30min. 将上述反应液进行简单蒸馏,收集80—90℃ 的馏份,为异丙醇和水的混合物;剩余物在20—25℃ 之间进行结晶,然后进行抽滤,用水洗涤氯饼,直至 中陛.在l0O—l05℃—F干燥30h即得3,5一二氯苯甲酸. 3.23,5一二氯苯甲酰氯的制备 将上面所得3,5一二氯苯...
Efficient procedures for the synthesis of 3,3,5-trimethyl-1,2,4-cyclopentanetrione are described starting from the commercially available ketones 2,2,4-trimethylcyclopentanone, 2,4,4-trimethylcyclopentanone and 3,3,5-trimethylcyclohexanone. The methods involve polychlorination and dehydrochlorination in...
氯苯合成氯甲基dichlorobenzoyl间苯trichloromethyl DissertationSubmittedtoHebeiUniversityofTechnologyforTheMasterDegreeofAppliedChemistrySYNTHESISOF3,5-DICHLORO-BENZOYLCHLORIDEbyNiuBinboSupervisor:Prof.GaozhongliangMay2015I摘要3,5-二氯苯甲酰氯是一种重要的医药及农药中间体,它和氨基酸反应生成的衍生物应用发展前景广泛。
Chlorination of norbornane 1,2,3-trithiolane afforded the bis(sulfenyl) chlorides (58) and (59) 〈91PS(62)127〉. Solvolysis of norbornane 1,2,3-trithiolane in sulfuric acid afforded a solution in which the dithiete radical cation (60) was reportedly detected by ESR spectroscopy...
3. Cobalt catalyzed enantioselective alpha chlorination and fluorination of beta-ketoesters. Chemical Properties (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE is yellow powder Uses (R,R)-(-)-N,N'-BIS(3,5-DI-TERT-BUTYLSALICYLIDENE)-1,2-CYCLOHEXANEDIAMINE ...
/Mono-, Di-, and Trichlorophenols with Chlorine in a Meta Position/|Sandmeyer Reaction. m-Chlorophenols can also be made by diazotization of the corresponding chloroanilines that have been obtained either by nitration of chlorobenzenes followed by hydrogenation or by chlorination of nitrobenzenes....
The homolytic chlorination of ethyl 4-oxochromen-2-carboxylate produces three chlorine-containing esters: the known 3-chloro-derivative (1), 2-chloroethyl 3-chloro-4-oxochromen-2-carboxylate (2), and ethyl cis-2,3-dichloro-4-oxochroman-2... GP Ellis,IL Thomas - 《Journal of the Chemical...