[2-[({(3E)-5-tert-butyl-1-methyl-2-[(2R)-tetrahydrofuran-2-ylmethyl]-1,2-dihydro-3H-pyrazol-3-ylidene}amino)carbonyl]-4-(trifluoromethyl)phenyl]acetic acid 、
三甲基硅烷化重氮甲烷 以
甲醇 为溶剂,
反应 16.0h,
以to afford the title compound (250 mg, 0.519 mmol, 60.7% yield)的产率得到methyl [2-[({(3E)-5-tert-butyl-1-methyl-2-[(2R)-tetrahydrofuran-2-ylmethyl]-1,2-dihydro-3H-pyrazol-3-ylidene}amino)carbonyl]-4-(trifluoromethyl)phenyl]acetate