3-[1-(3-hydroxy-6-methyl-pyridin-2-ylmethyl)-4,6-dimethyl-1H-benzoimidazol-2-ylamino]-propionic acid ethyl ester 、
氨 在
residue 、 silica gel 、 Dichloromethane methanol ammonium hydroxide 、 2-propanone CH3CN diisopropylether 、
3-[1-(3-hydroxy-6-methyl-pyridin-2-ylmethyl)-4,6-dimethyl-1H-benzoimidazol-2-ylamino]-propionamide 作用下,
以
甲醇 为溶剂,
反应 6.0h,
以yielding 0.014 g of 3-[1-(3-hydroxy-6-methyl-pyridin-2-ylmethyl)-4,6-dimethyl-1H-benzoimidazol-2-ylamino]-propionamide d-2 (compound 8, 30%, melting point: 229° C.)的产率得到3-[1-(3-hydroxy-6-methyl-pyridin-2-ylmethyl)-4,6-dimethyl-1H-benzoimidazol-2-ylamino]-propionamide