Tetrafluoro-m-phenylenediamine dihydrochloride → HCID 13408417, compound

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Reaction Steps

Condensation of 1-benzyl-4-(3-hydroxypropyl)piperazine (12.5 g) with 4-ethoxy-7-hydroxycoumarin (11 g) as described in Example 4(b) gave 13.8 g (52%) of the title compound as its dihydrochloride of m.p. (ethanol) 240°-241° C.; (Found; C, 59.89; H, 6.47; N, 5.68; Cl, 14.44; C25H30N2O4.2HCl requires; C, 60.60; H, 6.51; N, 5.66; Cl, 14.31%).

Provenance & Evidence