(1S,9R,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-9-hydroxymethyl-4-methoxy-12,15,15-trimethyl-tricyclo[9.3.1.03,8]pentadeca-3(8),4,6,11-tetraen-2-one 在
戴斯-马丁氧化剂 作用下,
以
二氯甲烷 为溶剂,
以84%的产率得到(1S,9R,13S)-13-(tert-Butyl-dimethyl-silanyloxy)-1-hydroxy-4-methoxy-12,15,15-trimethyl-2-oxo-tricyclo[9.3.1.0
3,8]pentadeca-3(8),4,6,11-tetraene-9-carbaldehyde