Piperidine → HCID 20335457, compound

Participants

Reaction Steps

A mixture of 4.7 g. of 3-butyl-10-fluoroimidazo[1,2-a:3,4-a']diquinolin-15-ium iodide, 5.0 ml. of piperidine and 50 ml. of N-methyl-2-pyrrolidinone is heated at reflux for 16 hours, then cooled and diluted with 400 ml. of ether. The resulting precipitate of 3-butyl-10-(1-piperidinyl)imidazo[1,2-a:3,4-a']diquinolin-15-ium iodide is collected by filtration; m.p. 266°-267° C. (dec.), after crystallization from ethanol.

Provenance & Evidence