(S)-6-fluoro 10-[3-(2-methoxy-ethyl)-4-methyl-piperazin-1-yl]-2-ethyl-4H-3-thia-4,9-diaza-benzo[f]azulene dihydrochloride → (S)-6,7-Difluoro 10-[3-(2-methoxy-ethyl)-4-methyl-piperazin-1-yl]-2-methyl-4H-3-thia-4,9-diaza-benzo[f]azulene dihydrochloride

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Using a method similar to the example (S)-6-fluoro 10-[3-(2-methoxy-ethyl)-4-methyl-piperazin-1-yl]-2-ethyl-4H-3-thia-4,9-diaza-benzo[f]azulene dihydrochloride, using 6,7-difluoro-2-methyl-4H-3-thia-4,9-diaza-benzo[f]azulen-10-ylamine hydrochloride and (S)-2-(2-methoxy)ethylpiperazine: 1H NMR (DMSO-d6): δ 11.7110 (2H, bs), 9.3793 (1H, bs), 7.3795 (1H, bs), 7.0701 (1H, bt), 6.6326 (1H, bs), 4.1000 (3H, bm), 3.6041 (3H, bs), 3.4347 (3H, bs), 3.2081 (3H, bs), 2.8371 (3H, bs), 2.3319 (3H, bs), 2.2842 (1H, bm), 1.8410 (1H, bs); Mass Spectrum M+H=407.1.

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