反应详情

Compound 76C was prepared analogously to compound 21C using the product prepared from compound 76B. Yield was 65%. MS m/z 238 (M−1). Step 4. Preparation of {2-Oxo-6-[3-(4-trifluoromethyl-benzyloxy)-benzylsulfanyl]-benzooxazol-3-yl}-acetic acid methyl ester (Compound 76D)