7-oxo-4,5,6,7-tetrahydro-benzo[b]thiophene-3-sulfonyl chloride 、
(1R)-1-(4-fluorophenyl)-2-(methylamino)ethanol 以the title compound (356 mg) was obtained as a colorless solid, in the same way as Preparation Example 41的产率得到N-[(2R)-2-(4-fluorophenyl)-2-hydroxyethyl]-N-methyl-7-oxo-4,5,6,7-tetrahydro-1-benzothiophene-3-sulfonamide