2,2-dimethyl-propionic acid 4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-(11-oxo-12-aza-tricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-12-yl)-tetrahydro-pyran-3-yl ester 在
劳森试剂 作用下,
以
甲苯 为溶剂,
反应 1.5h,
以83%的产率得到2,2-dimethyl-propionic acid 4,5-bis-(2,2-dimethyl-propionyloxy)-6-(2,2-dimethyl-propionyloxymethyl)-2-(11-thioxo-12-aza-tricyclo[7.3.1.02,7]trideca-2(7),3,5-trien-12-yl)-tetrahydro-pyran-3-yl ester