(2R)-2-[(5-bromo-3,6-diethylpyrazin-2-yl)amino]butan-1-ol 、
乙酸乙酯 以
正庚烷 为溶剂,
以gave 154 mg (42%) of 5-bromo-3,6-diethyl-N-[(1R)-1-(methoxymethyl)propyl]pyrazin-2-amine as a yellow oil after Biotage MPLC (40 g column, 20% ethyl acetate in heptane)的产率得到5-bromo-3,6-diethyl-N-[(1R)-1-(methoxymethyl)propyl]pyrazin-2-amine