(1S)-1-(2-hydroxyethyl)-7-methyl-3,4-dihydro-1H-2-benzopyran-6-carboxamide 、
N-氟代双苯磺酰胺 在
(1S)-1-(2-hydroxyethyl)-7-fluoro-3,4-dihydro-1H-2-benzopyran-6-carboxamide 作用下,
以the title compound (1S)-1-(2-hydroxyethyl)-7-fluoro-3,4-dihydro-1H-2-benzopyran-6-carboxamide was isolated as a white solid的产率得到(1S)-1-(2-hydroxyethyl)-7-fluoro-3,4-dihydro-1H-2-benzopyran-6-carboxamide