Piperazine, 4-benzoyl-1-(1,2-dioxo-2-(1H-pyrrolo(2,3-b)pyridin-3-yl)ethyl)-2-methyl-, (2R)- → HCID 5495838, compound

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Reaction Steps

Compound 5an, N-(benzoyl)-N′-[(7-chloro-4-methoxy-6-azaindol-3-yl)-oxoacetyl]-piperazine was prepared by the same method which was used to prepare compound 5a except that Potassium (7-chloro-4-methoxy-6-azaindol-3-yl)-oxoacetate was employed as the starting material to give a white solid. The compound was purified by silica gel chromatography using EtOAc as the eluting solvent. MS m/z: (M+H)+ calcd for C21H20ClN4O4: 427.12; found 427.12. HPLC retention time: 1.28 minutes (column A).

Provenance & Evidence