methyl 9,10-dihydroxy-16-iodohexadecanoate 、 (8a
S)-4
c-hydroxy-8
t-methyl-8
c-hydroxymethyl-(8a
rH)-1.2.4.7.8.8a-hexahydro-3
H-3a
t.7
t-methano-azulene-dicarboxylic acid-(3
t.6) 在
silver carbonate 作用下,
以
丙酮 为溶剂,
生成 (3S,3aS,4S,7R,8S,8aS)-4-Hydroxy-8-hydroxymethyl-8-methyl-2,3,4,7,8,8a-hexahydro-1H-3a,7-methano-azulene-3,6-dicarboxylic acid bis-(7,8-dihydroxy-15-methoxycarbonyl-pentadecyl) ester