2-propyl-6-(3,4,5-trifluorophenyl)-1,2,3,4-tetrahydronaphthalene 、
2-propyl-5-fluoro-1,2,3,4-tetrahydro-6-naphthol 以
2-propyl-1,2,3,4-tetrahydronaphthalen-6-yl trifluoromethanesulfonate 为溶剂,
以the 2-propyl-7-fluoro-1,2,3,4-tetrahydro-6-naphthol obtained in (10-1) above instead of the 2-propyl-1,2,3,4-tetrahydro-6-naphthol in (7-2)的产率得到2-propyl-7-fluoro-1,2,3,4-tetrahydro-6-naphthol