Synthesis and Antiproliferative and Antiviral Activity of Carbohydrate-Modified Pyrrolo[2,3-<i>d</i>]pyridazin-7-one Nucleosides
作者:Eric A. Meade、Linda L. Wotring、John C. Drach、Leroy B. Townsend
DOI:10.1021/jm960631x
日期:1997.2.1
and ring annulation with hydrazine afforded 20. The acyclic analog 4-amino-1-[(1,3-dihydroxy-2-propoxy)methyl]pyrrolo[2,3-d]pyridazin -7-one (24) was prepared via the sodium salt glycosylation of 5 with (1,3-dihydroxy-2-propoxy)methyl bromide (22) followed by a ring annulation with hydrazine. N-Bromosuccinimide treatment of 13, 20, and 25 afforded the 3-bromo derivatives 15, 21, and 25. Evaluation of