重氮甲烷 、
enhydrine 以
甲醇 、
乙醚 为溶剂,
生成 (3
S,6
E)-5
c-acetoxy-4
t-((2
R)-2,3
c-dimethyl-oxirane-
r-carbonyloxy)-10
c,11
t-epoxy-7,10
t-dimethyl-2-oxo-(3
rN,3a
c,11a
t)-3a,4,5,8,9,10,11,11a,4',5'-decahydro-spiro[cyclodeca[
b]furan-3,3'-pyrazole]-6-carboxylic acid methyl ester