8α-acetoxy-4α-hydroxy-2α,5α,8aβ-trimethyl-3,4,4aα,5,6,7,8,8a-octahydronaphtalen-1(2H)-one 在
吡啶 、
sodium methylate 、
三氯氧磷 作用下,
生成
1,3,8-trimethyl-4,6,7,8-tetrahydro-naphtalen-2(3H)-one 、 5-hydroxy-1,3,8-trimethyl-4,4a,5,6,7,8-hexahydronaphtalen-2(3H)-one 、 4β-chloro-8α-hydroxy-2α,5α,8aβ-trimethyl-3,4,4aα,5,6,7,8,8a-octahydronaphtalen-1(2H)-one