According to special proportion, M1 and palmitoyl chloride were mixed and stired over night in the conditions of EtOAc as medium, NaHCO_3 satured with water that is apt to the positive reaction and ice-water bath.

• M1和棕榈酸酰氯按照一定比例在EtOAc溶媒和利于反应向正向进行的水饱和NaHCO_3溶液以及冰水浴条件下,反应液搅拌过夜。