[4-(1-fluoro-6-methoxy-isoquinolin-3-yl)-phenyl]-dimethylamine 、
BOC-NH-(L-tert-BuGly)-[(4R)-hydroxy-S-proline]-(1R,2S-vinyl acca)-CONHSO2-cyclopropane 在
lanthanum(III) chloride 、
potassium tert-butylate 作用下,
以
四氢呋喃 、 DMF (N,N-dimethyl-formamide) 为溶剂,
反应 1.0h,
以11%的产率得到Carbamic acid, [(1S)-1-[[(2S,4R)-2-[[[(1R,2S)-1-[[(cyclopropylsulfonyl)amino]carbonyl]-2-ethenylcyclopropyl]amino]carbonyl]-4-[[3-[4-(dimethylamino)phenyl]-6-methoxy-1-isoquinolinyl]oxy]-1-pyrrolidinyl]carbonyl]-2,2-dimethylpropyl]-, 1,1-dimethylethyl ester