How is 9-Chloro-2-ethyl-1-methyl-3-(2,2,2-trifluoroethyl)-3h-pyrrolo(3,2-f)quinolin-7(6h)-one (CAS: 917891-35-1) typically synthesized?

9-Chloro-2-ethyl-1-methyl-3-(2,2,2-trifluoroethyl)-3h-pyrrolo(3,2-f)quinolin-7(6h)-one can be synthesized via a multistep process involving a condensation reaction, followed by derivatization reactions. Commonly, a precursor compound is reacted with trifluoroethyl chloride under basic conditions to form the trifluoroethyl derivative, which is then coupled with 2-ethyl-1-methyl-3-hydroxy-3h-pyrrolo(3,2-f)quinoline-7(6h)-one under appropriate conditions to yield the target compound.