3-tert-butyldimethylsiloxy-3',4'-dihydrospirocyclobutane-1,2'-pyrano[2,3-c]pyridin-4'-one 、
3-tert-butyldimethylsiloxy-3',4'-dihydrospirocyclobutane-1,2'-pyrano[2,3-c]pyridin-4'-one 在
四丙基高钌酸铵 四丁基溴化铵 、 sodium formate 作用下,
以
甲苯 为溶剂,
反应 14.0h,
生成 (4'R)-3-tert-butyldimethylsiloxy-3',4'-dihydrospirorcyclobutane-12'-pyrano[2,3-c]pyridin-4'-ol 、
(4'R)-3-tert-butyldimethylsiloxy-3',4'-dihydrospirorcyclobutane-12'-pyrano[2,3-c]pyridin-4'-ol