Methyl 3-isocyanatobenzoate → 3-{3-(4-tert-Butylphenyl)-3-[4-(2H-tetrazol-5-ylcarbamoyl)benzyl]ureido}benzoic acid

Beteiligte Stoffe

Reaktionsbedingungen

Reaktionsschritte

2.50 mmol 3-isocyanatobenzoic acid methyl ester dissolved in 5 mL dichloroethane was added to the above resin 4-[(4-tert-butylphenylamino)methyl]-N-(2H-tetrazol-5-yl)benzamide (500 mg). Shaking the mixture 5 hours at 25° C. followed by filtration and washing of the resin with dichloromethane (2×10 mL), DMF (2× mL) and THF (3×10 mL) afforded the resin bound title compound.

Herkunft & Nachweise