摘要:
Chloro-aromatic compounds of the formula ##STR1## wherein R is CF.sub.3, OCF.sub.3, OC.sub.2 F.sub.5, CN, NCO, or COCl, m is 0, 1 or 2; n is 0, 1 or 2; q is 1 or 2; q+m+n is less than 6; and when q is 1, m is 2; are prepared by the vapor phase chloro-denitration reaction of a chlorinating agent with a nitro-aromatic compound of the formula ##STR2## where R, m, n and q are as defined above.
摘要翻译:其中R为CF 3,OCF 3,OC 2 F 5,CN,NCO或COCl,m为0,1或2的式(I)的氯芳族化合物; n为0,1或2; q为1或2; q + m + n小于6; 当q为1时,m为2; 通过氯化剂与式(I)的硝基芳族化合物的气相氯 - 脱硝反应制备,其中R,m,n和q如上所定义。
摘要:
A process for the preparation of 3-chloro-4-fluoro-5-nitrobenzotrifluoride and 3,4-difluoro-5-nitrobenzotrifluoride by reaction of 3,4-di-chloro-5-nitrobenzotrifluoride and 4-chloro-3,5-dinitrobenzotrifluoride, respectively, with an alkali metal fluoride.