[2-(羟甲基)-3-甲基苯基]甲醇

反应条件: temp:0.00; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A solution of 3-methyl-1,2-benzenedimethanol (4.16 g, 27.3 mmol) obtained from Example 22-(1) in tetrahydrofuran (50 ml) was cooled to 0° C., and imidazole (1.86 g, 27.3 mmol) and tert-butylchlorodimethylsilane (4.12 g, 27.3 mmol) were added thereto. The mixture was stirred at room temperature for 3 hours, and then after adding water, the product was extracted with ethyl acetate. The organic layer was washed with a saturated aqueous solution of sodium chloride, then the solvent was distilled off under reduced pressure, and the residue was subjected to chromatography on a silica gel (120 g) column (eluent; ethyl acetate:hexane=1:4) to afford the title compound (4.93 g, 68% yield) as a colorless oil. the product was extracted with ethyl acetate The organic layer was washed with a saturated aqueous solution of sodium chloride the solvent was distilled off under reduced pressure

反应条件: temp:0.01; pressure:0.00; stir:; See reaction.notes.procedure_details.

实验步骤: A solution of the 7-methyl-1(3H)-isobenzofuranone obtained above in tetrahydrofuran (80 ml) was cooled to 0° C., and lithium borohydride (1.90 g, 87.2 mmol) was added thereto. The mixture was stirred at 60° C. for 2 hours, then cooled to 0° C., and a 2N aqueous solution of hydrochloric acid (50 ml) was added dropwise. The product was extracted with ethyl acetate, and the solvent was evaporated under reduced pressure to give an oily residue. The residue was subjected to chromatography on a silica gel (75 g) column (eluent; ethyl acetate:hexane=2:1˜1:0) to afford the title compound (4.17 g, 19% total yield from methyl 2,6-dimethylbenzoate) as an oil. cooled to 0° C. The product was extracted with ethyl acetate the solvent was evaporated under reduced pressure to give an oily residue