3-Amino-2-oxazolidinone → 3-[(E)-1-[3-[(7-fluoroquinolin-6-yl)methyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]-1,3-oxazolidin-2-one

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The title compound was prepared from 3-aminooxazolidin-2-one and 1-[3-(7-fluoro-quinolin-6-ylmethyl)-imidazo[1,2-b]pyridazin-6-yl]-ethanone in analogy to the synthesis of example 1 in 24% yield. 1H-NMR (400 MHz, CDCl3) δ ppm 8.85 (dd, 1H), 8.02 (d, 1H), 7.88 (m, 2H), 7.71 (m, 3H), 7.33 (q, 1H), 4.58 (s, 2H), 4.51 (t, 2H), 4.01 (t, 2H), 2.49 (s, 3H). LCMS (method A): [MH]+=405, tR=4.76 min.

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