反应详情

To a solution of {3-[(4-thiazol-2-yl-benzylamino)-methyl]-phenoxy}-acetic acid tert-butyl ester (87.3 mg, 0.213 mmol), prepared in Step A of Example 13i, triethylamine (47.3 mg, 0.234 mmol) and dichloroethane (10 mL) was added thiophene-2-sulfonyl chloride (42.7 mg, 0.234 mmol). The reaction was stirred for 24 h and additional triethylamine (0.234 mmol) and thiophene-2-sulfonyl chloride (42.7 mg, 0.234 mmol) were added. The reaction was stirred for an additional 24 h. The organic solution was washed sequentially with 5.5% HCl, water, saturated sodium bicarbonate solution, and brine. The organic solution was dried (MgSO4), filtered, and concentrated. Flash chromatography (CHCl3:MeOH 99:1) provided the title compound of Step A (63 mg). MS 556 (M+1)

1. stirringThe reaction was stirred for an additional 24 h
2. washThe organic solution was washed sequentially with 5.5% HCl, water, saturated sodium bicarbonate solution, and brine
3. dry with materialThe organic solution was dried (MgSO4)
4. filtrationfiltered
5. concentrationconcentrated