3-Methyl-butyric acid (E)-(1R,2R,3R,8R,9R)-3,14-dihydroxy-4,8-dimethyl-12-methylene-11-oxo-10,13-dioxa-tricyclo[6.4.2.0
1,9]tetradec-4-en-2-yl ester 在
pyridinium chlorochromate 作用下,
以
氯仿 为溶剂,
反应 1.0h,
以4 mg的产率得到9β-Hydroxy-8β-isovaleryloxy-5-oxotrichosalviolid