2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene

Details 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene 2,4,5-trihalogeno- and 2,3,4,5-tetrahalogenobenzene

C - Chemistry, Metallurgy

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C

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C07C 25/13 (2006.01) C07C 17/14 (2006.01) C07C 17/16 (2006.01) C07C 33/46 (2006.01) C07C 45/29 (2006.01) C07C 45/43 (2006.01) C07C 47/55 (2006.01) C07C 63/70 (2006.01) C07D 215/56 (2006.01) C07D 401/04 (2006.01) C07D 413/04 (2006.01)

Patent

CA 1242742

2,4,5-TRIHALOGENO- AND 2,3,4,5-TETRAHALOGENOBENZENE ABSTRACT 2,4,5-Trihalogenobenzene derivatives of the formula Image in which R is -COOH, -COCl, -COF, -CN, -CONH2, -CH2OH, -CH2Cl, -OHCl2, -CCl3 or -CHO, R1 is H, Cl or F, and R2 is Cl or F, it only being possible for R1 or R2 to be F, and processes for their preparation starting from benzonitriles reacted with potas- sium fluoride. The novel compounds are intermediates for anti- bacterials such as quinolone carboxylic acids.

482913

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