1-Methylpiperazine → 8-Cyano-1-cyclopropyl-6-fluoro-1,4-dihydro-7(4-methyl-1-piperazinyl)-4-oxo-3-quinolinecarboxylic acid

Participants

Reaction Steps

0.5 g of the product from Example 1 and 0.48 g of N-methylpiperazine are boiled in 8 ml of dioxane for 3 hours. The mixture is then concentrated in vacuo, water is added to the residue and the solution formed is rendered neutral. The solid which has precipitated out is isolated, washed and dried.

Provenance & Evidence