Acetic acid (1S,2R,7R,9S,10S,11S)-10-acetoxy-2-acetoxymethyl-4-hydroxy-1,5-dimethyl-12-methylene-8-oxa-tricyclo[7.2.1.0
2,7]dodec-5-en-11-yl ester 在
sodium acetate 、
pyridinium chlorochromate 作用下,
以
二氯甲烷 为溶剂,
反应 2.5h,
以74%的产率得到3α,4β,15-triacetoxytrichotheca-9,12-dien-8-one