(2S)-1-[(2S,4R)-2-hydroxy-5-[[(3S,4S)-3-hydroxy-3,4-dihydro-2H-chromen-4-yl]amino]-5-oxo-4-(pyridin-3-ylmethyl)pentyl]-4-prop-2-ynyl-N-(2,2,2-trifluoroethyl)piperazine-2-carboxamide 、
2-氯-6-碘苯酚 在
吡啶 、
copper(I) oxide 作用下,
反应 1.5h,
生成 (αR,γS,2S)-4-[(7-chlorobenzofuran-2-yl)methyl]-N-((3S,4S)-3,4-dihydro-3-hydroxy-2H-1-benzopyran-4-yl)-γ-hydroxy-α-(3-pyridinylmethyl)-2-[[(2,2,2-trifluoroethyl)-amino]carbonyl]-1-piperazinepentanamide