乙酸酐 、
Benzoic acid (1S,3S,5R,6R,8R,10R)-5-hydroxy-8-methoxy-3-methyl-2,9-dioxa-tricyclo[4.3.1.03,8]dec-10-ylmethyl ester 在
吡啶 作用下,
以33 mg的产率得到Benzoic acid (1S,3S,5R,6R,8R,10R)-5-acetoxy-8-methoxy-3-methyl-2,9-dioxa-tricyclo[4.3.1.0
3,8]dec-10-ylmethyl ester