6-(tert-butyldimethylsilyloxy)-3-hydroxy-2,2,5,7,8-pentamethylchroman-4-yl 3-chlorobenzoate 在
aluminum (III) chloride lithium aluminium tetrahydride 作用下,
以
四氢呋喃 为溶剂,
反应 2.0h,
生成 (cis)-6-(tert-butyldimethylsilyloxy)-2,2,5,7,8-pentamethylchroman-3,4-diol 、 (cis)-6-(tert-butyldimethylsilyloxy)-2,2,5,7,8-pentamethylchroman-3,4-diol