Preparation method of ubenimex side chain_Kain Industrial Additive

Background and overview[1] Ubenimex (Bestatin) is a dipeptide compound isolated from the culture medium of Streptomyces olivoreticuli. It was launched in Japan in 1987 as an immune enhancer for the treatment of leukemia. ; Ubenimesi was launched in China in 1998 under the trade name Baishixin. Bestatin has obvious immunomodulatory function and significant anti-tumor activity.…