Benzaldehyde → HCID 136027655, compound

Participants

Reaction Steps

The titled compound was prepared in a manner analogous to Example 171, substituting 3-cyanobenzaldehyde for benzaldehyde in step A. Step C yielded a mixture of 1-[6-(3-cyano-benzylamino)-4-oxo-3,4-dihydro-quinazolin-2-yl]-1H-pyrazole-4-carboxylic acid, 1-[6-(3-carbamoyl-benzylamino)-4-oxo-3,4-dihydro-quinazolin-2-yl]-1H-pyrazole-4-carboxylic acid, and the titled compound. The mixture was separated by reverse-phase HPLC; the titled compound was recovered as the trifluoroacetate salt.

Provenance & Evidence