Benzoic acid (1R,2S,3R,6R,7R,9S)-3-hydroxy-2,6,10,10-tetramethyl-11-oxa-tricyclo[7.2.1.01,6]dodec-4-en-7-yl ester 在
四氧化锇 作用下,
以
吡啶 为溶剂,
反应 16.0h,
以66%的产率得到Benzoic acid (1S,2R,3R,4S,5R,6S,7S,9R)-3,4,5-trihydroxy-2,6,10,10-tetramethyl-11-oxa-tricyclo[7.2.1.01,6]dodec-7-yl ester