Taylor E C, Harrington P J, Fletcher S R, Beardsley G P, Moran R G
J Med Chem. 1985 Jul;28(7):914-21. doi: 10.1021/jm00145a012.
Total syntheses from pyridine precursors of 5,10-dideazaaminopterin (1) and 5,10-dideaza-5,6,7,8-tetrahydroaminopterin (2) are described. These compounds exhibit significant in vivo activity against L1210 leukemia that is comparable to that observed with methotrexate.