Phosphorus oxychloride → HCID 68924249, compound

Participants

Reaction Conditions

Reaction Steps

1-Cyclohexyl-2-(4-oxo-2-phenyl-1,4-dihydro-quinolin-6-yl)-1H-benzoimidazole-5-carboxylic acid ethyl ester acid (4 g, 8.14 mmol) was dissolved in phosphorous oxy chloride and heated at 100° C. overnight. After evaporation of the solvent the product was recrystallized from methanol/water to give 3.96 g of crude product. Silica gel purification of the title compound proved to be unsatisfactory due to degradation of the product on the column. MS: 510.22 (M+H+).

Provenance & Evidence