Synthesis, antiproliferative, and antiviral activity of 4-amino-1-(.beta.-D-ribofuranosyl)pyrrolo[2,3-d]pyridazin-7(6H)-one and related derivatives
作者:Eric A. Meade、Linda L. Wotring、John C. Drach、Leroy B. Townsend
DOI:10.1021/jm00076a011
日期:1993.11
eta-D-ribofuranosylpyrrolo[2,3-d]pyridazin+ ++-7(6H)-one (16) 4-amino-3-bromo-1-beta-D-ribofuranosylpyrrolo[2,3-d]pyridazin++ +-7(6H)-one (18) were prepared via N-chlorosuccinimide or N-bromosuccinimide treatment of 4-amino-1-(2,3,5-tri-O-benzyl-beta- D-ribofuranosyl)pyrrolo[2,3-d]pyridazin-7(6H)-one (7) followed by a removal of the benzyl groups with boron trichloride. Direct treatment of 3 with N-iodosuccinimide