申请人:The United States of America as represented by the Department of Health,
公开号:US04123524A1
公开(公告)日:1978-10-31
The compound 6-amino-4-methyl-8-(.beta.-D-ribofuranosyl)pyrrolo[4,3,2-de]pyrimido[4,5-c ]pyridazines-5'-phosphate (a nucleotide) as a new compound and its method of synthesis by phosphorylation of the known 6-amino-4-methyl-8-(.beta.-D-ribofuranosyl)pyrrolo[4,3,2-de]pyrimido[4,5-c ]pyridazine (a nucleoside). The 5'-phosphate ester has utility against L-1210 mouse leukemia and has superior solubility over the parent compound which gives it a broader use pattern relative to dosage. This novel nucleotide also shows advantage in utilization as to pH over, for example, the hydrochloride salt which gives in solution a pH of 4 and is too acid for use.
化合物6-氨基-4-甲基-8-(β-D-核糖呋喃酰基)吡咯并[4,3,2-de]嘧啶并[4,5-c]吡啶嘧啶酸酯(一种核苷酸)作为一种新化合物,其合成方法是通过对已知的6-氨基-4-甲基-8-(β-D-核糖呋喃基)吡咯并[4,3,2-de]嘧啶并[4,5-c]吡啶嘧啶(一种核苷)进行磷酸化而得到。5'-磷酸酯对L-1210小鼠白血病具有治疗作用,并且相对于剂量而言,其溶解度优于母体化合物,从而使其具有更广泛的用途。这种新型核苷酸在pH值的利用方面也具有优势,例如,与盐酸盐相比,后者在溶液中的pH值为4,过于酸性,不能使用。