7-Amino-3'-isopropyl-3,4-dihydro-2H-1,5-benzodioxepin-3-spiro-5'-oxazolidin-2'-on 、
甲基磺酰氯 以there is obtained 3'-isopropyl-7-methanesulfonamido-3,4-dihydro-2H-1,5-benzodioxepin-3-spiro-5'-oxazolidin-2'-one的产率得到3'-isopropyl-7-methanesulfonamido-3,4-dihydro-2H-1,5-benzodioxepin-3-spiro-5'-oxazolidin-2'-one