3-hydroxy-2,2-dimethyl-3-phenyl-N-prop-2-ynylpropanamide 、
在
copper(l) iodide 作用下,
以47%的产率得到methyl (3R,7S,7aR)-3-tert-butyl-7-hydroxy-7-[6-[4-[[(3-hydroxy-2,2-dimethyl-3-phenylpropanoyl)amino]methyl]triazol-1-yl]hex-1-ynyl]-6,6-dimethyl-5-oxo-1,3-dihydropyrrolo[1,2-c][1,3]oxazole-7a-carboxylate