4-Cyclohexylamino-3-[(3-phenyl-quinoxaline-6-carbonyl)-amino]-benzoic Acid Ethyl Ester → HCID 57602929, compound

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Reaction Steps

Compound 41 (0.95 mmol) from the previous step was refluxed in 80 mL acetic acid for 3.5 h. The mixture was then evaporated to dryness and dried overnight under high vacuum to yield Compound 42 in quantitative yield. It was not further purified before saponification.

Provenance & Evidence