反应详情

The title compound was prepared analogous to Example 4, Step 2, starting from methyl 2-(4-(4′-aminobiphenyl-4-yl)-2-oxabicyclo[2.2.2]octan-1-yl)acetate (500 mg, 1.48 mmol) with 1,1′-thiocarbonyldipyridin-2(1H)-one (379 mg, 1.63 mmol) and cyclobutanecarbohydrazide (254 mg, 2.22 mmol). Water titration of the crude residue affords the title compound as off-white solid after drying (696 mg, 93% yield). LC/MS, ESI-MS(+): 508.4, RT: 1.29 (Condition E).

1. customThe title compound was prepared analogous to Example 4, Step 2