L-Phenylalanine, N-[(2R,3R)-3-methoxy-2-methyl-1-oxo-3-(2S)-2-pyrrolidinylpropyl]-, methyl ester, monohydrochloride (9CI)

MMAF intermediate 2 is an intermediate for the synthesis of MMAF (HY-15579). MMAF (Monomethylauristatin F) is a potent inhibitor of tubulin polymerization and the cytotoxic (ADC Cytotoxin) component of classic antibody drug conjugates (ADCs), such as Vorsetuzumab mafodotin and SGN-CD19A[1].

[1] Lee JW, et al. EphA2 targeted chemotherapy using an antibody drug conjugate in endometrial carcinoma. Clin Cancer Res. 2010 May 1;16(9):2562-70. [Content Brief] DOI:10.1158/1078-0432.CCR-10-0017