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2,4-二氯氟苯(1)是生产环丙沙星(环丙氟哌酸)等抗感染药的起始原料,文献报道以生产诺氟沙星的原料3-氯-4-氟苯胺经 San-dmeyer 反应制得。我们早期也曾用此法
2,4-dichloro-fluorobenzene (1) is the starting material for the production of anti-infectives such as ciprofloxacin (ciprofloxacin). It has been reported in the literature that 3-chloro-4-fluoro- Aniline by San-dmeyer reaction. We also used this method earlier