137589-58-3Relevant articles and documents
Process and intermediates for the preparation of substituted 6-(3,5,6,7-tetrahydropyrrolo-[2,1-c][1,2,4]-thiadiazol-3-ylidenimino)-7-fluoro-2H-1,4-benzoxazin-3(4H)-ones
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, (2008/06/13)
The invention relates a new process for the preparation of substituted 6-(3,5,6,7-tetrahydropyrrolo[2,1-c][1,2,4]-thiadiazol-3-ylidenimino)-7-fluoro-2H-1,4-benzoxazin-3(4H)-ones of general formula I in which, R1 is C1-C6-alkyl, Csub