(3S,4R)-4-[(4-ethylphenyl)sulfonylamino]-3-hydroxy-2,2-dimethyl-N-(2-phenylethyl)-3,4-dihydrochromene-6-carboxamide 在
lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
以13%的产率得到4-ethyl-N-((3S,4R)-3-hydroxy-2,2-dimethyl-6-((phenethylamino)methyl)chroman-4-yl)benzenesulfonamide