(4aS,5S)-4,4a,5,6,7,8-hexahydro-5-hydroxy-1,4a-dimethylnaphthalen-2(3H)-one 、
1-乙炔基-3-氟苯 、 alkaline earth salt of/the/ methylsulfuric acid 以38%的产率得到(E,8aS)-2-{4-[2-(3-fluorophenyl)-ethynyl]benzylidene}-octahydro-6-hydroxy-5,8a-dimethylnaphthalen-1(2H)-one