Tổng hợp một số dẫn xuất của axit madecassic phân lập từ cây rau má (Centella asiatica (L.) urban) của Việt Nam

From the MeOH extract of the Centella asiatica (L.) Urban. was collected in Hanoi, madecasic acid was isolated with 0.37%.w/w. Starting from the madecassic acid 7 new amide derivatives at the 28-COOH group have been synthesized. Their structures were determined by IR, MS and NMR spectroscopic methods. Keywords: Madecassic acid, amide derivative.