6(R)-[2-[8(S)-(2,2-dimethyl-4-hydroxybutyryloxy)-2(S),6(R)-dimethyl-1,2,6,7,8,8a(R)-hexahydronaphthyl-1(S)]ethyl]-4(R)-hydroxy-3,4,5,6-tetrahydro-2H-pyran-2-one 在
盐酸 作用下,
以
sodium hydroxide 、 conc. NH4 OH 、
乙腈 为溶剂,
生成 7-[1,2,6,7,8,8a(R)-Hexahydro-2(S),6(R)-dimethyl-8(S)-(2,2-dimethyl-4-hydroxybutyryloxy)naphthyl-1(S)]-3(R),5(R)-dihydroxyheptanoic acid, ammonium salt