Amlodipine → HCID 86593955, compound

Participants

Reaction Steps

Amlodipine (10g, 0.025 mole) was dissolved in ethyl acetate (100 ml) with stirring. The solution was adjusted to 25° C. and slowly added with (S)-(−)-pyroglutamic acid (3.61g, 0.028 mole). This reaction was stirred at 25° C. for 1 hour to produce precipitates. They were filtered off and washed with ethyl acetate (50 ml), followed by drying at 40° C. under vacuum to give 12.82 g of the title compound (Yield 95.3%).

Provenance & Evidence