Thiomorpholine → HCID 13387920, compound

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Reaction Steps

6-Fluoro-1,4-dihydro-1-methylamino-4-oxo-7-(4-thiomorpholinyl)-3-quinolinecarboxylic acid [I; R=CH3NH, R"=H, Z=N=4-thiomorpholinyl] was prepared from 3.5 g of 7-chloro-6-fluoro-1,4-dihydro-1-methylamino-4-oxo-3-quinolinecarboxylic acid (Preparation 4A) and 6.5 ml of thiomorpholine in 80 ml of pyridine according to the procedure of Example 1. There was obtained 2 g of product, pale yellow solid, m.p. 260°-261° C. when recrystallized from dimethylformamide.

Provenance & Evidence