Methyl 4-aminobenzoate → HCID 53311106, compound

Participants

Reaction Steps

The title compound was prepared in analogy to Example 1, from 2,5-dichloro-4-[3-(4-cyclopropyl-3,4-dihydro-2H-quinoxaline-1-carbonyl)-pyridin-4-yloxy]-benzoic acid (Example 29, intermediate) and 4-amino-benzoic acid methyl ester (commercially available, CAS RN 619-45-4) and using a gradient of n-heptane:ethyl acetate (100:0 to 0:100) for the chromatographic purification. Light brown foam (29%). MS (ESI): m/z=617.136 [M+H]+.

Provenance & Evidence