反应详情

59.1 Using general method A, with THF instead of DMF as solvent, (3-amino-pyrazol-1-yl)-acetic acid ethyl ester (example 57.1) was coupled with 4-chlorobenzoic acid to give [3-(4-chloro-benzoylamino)-pyrazol-1-yl]-acetic acid ethyl ester. Off-white solid. MS 308.3 ([M+H]+)