(3R,4R,5S,8R,9R,10R)-8-(tert-Butyl-dimethyl-silanyloxy)-10-(4-methoxy-benzyloxy)-3,5,9,11-tetramethyl-4-triethylsilanyloxy-dodec-1-en-6-one 在
4-甲基苯磺酸吡啶 作用下,
以
水 、
丙酮 为溶剂,
以70%的产率得到(3R,4R,5S,8R,9R,10R)-8-(tert-Butyl-dimethyl-silanyloxy)-4-hydroxy-10-(4-methoxy-benzyloxy)-3,5,9,11-tetramethyl-dodec-1-en-6-one