(S)-3-(6,6-dimethyl-4,4-dioxo-5-(4-piperidin-4-ylbenzyl)-5,6-dihydro-4H-4λ6-[1,4,3]oxathiazin-2-ylamino)-3-(2-fluorophenyl)propan-1-ol 、
(1-ethoxycyclopropyl)methyl-trimethyl-silane 在
sodium cyanoborohydride 、
溶剂黄146 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以0.085 g的产率得到(S)-3-{5-[4-(1-cyclopropylpiperidin-4-yl)benzyl]-6,6-dimethyl-4,4-dioxo-5,6-dihydro-4H-4λ6-[1,4,3]oxathiazin-2-ylamino}propan-1-ol