Ammonium hexanitratocerate (IV) 、 methyl rac-1',2',3',4'-tetrahydro-5',8'-dimethoxyspiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate 在
three 、
乙醚 、
水 、 crude product 作用下,
以
水 、
乙腈 、
乙醚 为溶剂,
反应 0.08h,
以to yield 0.90 g (82%) of methyl rac-1',2',3',4',5',8'-hexahydro-5',8'-dioxospiro[1,3-dithiolane-2,4'-naphthalene]-2'-carboxylate in the form of a bright orange solid of melting point 140°-141° C.的产率得到methyl 1',2',3',4',5',8'-hexahydro-5',8'-dioxospiro<1,3-dithiolan-2,1'-naphthalene>-3'carboxylate