4-Hydroxypyrrolidine → HCID 13387921, compound

Participants

Reaction Steps

6-Fluoro-1,4-dihydro-7-(3-hydroxy-1-pyrrolidinyl)-1-methylamino-4-oxo-3-quinolinecarboxylic acid [I; R=CH3NH, R"=H, Z=N=3-hydroxy-1-pyrrolidinyl] was prepared from 7.7 g of 7-chloro-6-fluoro-1,4-dihydro-1-methylamino-4-oxo-3-quinolinecarboxylic acid (Preparation 4A) and 9.75 g of 3-hydroxypyrrolidine in 30 ml of pyridine according to the procedure of Example 1. There was obtained 4.7 g of product as a yellow powder, m.p. 319°-321° C. (decompn.) when recrystallized from dimethylformamide.

Provenance & Evidence