反应详情

Using the procedure in Example 37 294 mg (1 mmol) of 4-hydroxy-2-methyl-1-(phenylmethyl)-1H-indole-3-acetamide was treated with 40 mg (1 mmol) of 60% NaH/mineral oil and 0.10 mL (1 mmol) of methyl 2-bromoacetate to give, after silica chromatography (eluted with 50% EtOAc/hexane, then EtOAc, followed by 2% MeOH/EtOAc), 278 mg (76% yield) of 2-[[3-(2-amino-2-oxoethyl)-2-methyl-1-(phenylmethyl)-1H-indol-4-yl]oxy]acetic acid methyl ester, mp, 206°-208° C.

1. customto give
2. washafter silica chromatography (eluted with 50% EtOAc/hexane