[CH:1]12[CH2:10][CH:5]3[CH2:6][CH:7]([CH2:9][CH:3]([CH2:4]3)[CH:2]1[C:11]([OH:13])=[O:12])[CH2:8]2.CO.[CH3:16][Si](C=[N+]=[N-])(C)C>C(OCC)(=O)C>[CH:3]12[CH2:9][CH:7]3[CH2:6][CH:5]([CH2:10][CH:1]([CH2:8]3)[CH:2]1[C:11]([O:13][CH3:16])=[O:12])[CH2:4]2To a solution of adamantane-2-carboxylic acid 1 (0.486 g, 2.70 mmol) in ethyl acetate (10 mL)/methanol (5 mL) was dropwise added (trimethylsilyl)diazomethane (1.348 ml, 2.70 mmol) and the mixture was stirred at room temperature for 14 hours. The reaction mixture was concentrated and purified by flash chromotography (silica 40 g, 0%-30% ethyl acetate/hexanes).
불러오는 중…