(3'aR,4R,6'S,6'aS)-N-methoxy-N,2,2,2',2'-pentamethylspiro[1,3-dioxolane-4,4'-6,6a-dihydro-3aH-furo[3,4-d][1,3]dioxole]-6'-carboxamide 、
乙炔基溴化镁 以
四氢呋喃 为溶剂,
反应 4.0h,
生成 1-[(3'aR,4R,6'S,6'aR)-2,2,2',2'-tetramethylspiro[1,3-dioxolane-4,4'-6,6a-dihydro-3aH-furo[3,4-d][1,3]dioxole]-6'-yl]prop-2-yn-1-one