Mellanprodukt av Lufloxacin:

Etyl 6,7-difluoro-1-metyl-4-oxo-4H - [1,3] tiazeto [3,2-a] kinolin-3- karboxylat 6,7-difluoro-1-metyl-4-oxo-4H - [1,3] tiazeto [3,2-a] kinolin-3- formiatetyleter
6-fluoro-7- (1-piperazinyl) -1-metyl-4-oxo-4H - [1,3] tiazeto [3,{{10 }}a] kinolin-3-karboxylat 6-fluoro-7- (1-piperidyl) -1-metyl-4-oxo-4H - [ 1,3] tiazeto [3,2-a] kinolin-3 etylformiat
6-Fluor-7- (1-piperazinyl) -1-metyl-4-oxo-4H - [1,3] tiazeto [3,{{10 }}a] kinolin-3-karboxylsyra 6-fluoro-7- (1-piperidyl) -1-metyl-4-oxo-4H - [1,3] tiazetidin [3,2-a] kinolin-3-karboxylsyra Racecadotril Intermediär: 3-Acetyltio-2-bensylpropansyra 2-bensyl{{27} }tioacetylpropansyra Glycinbensoylester p-tosylat glycinbensylester p-toluensulfonat