DUCKWORTH, D. M.;HARNDEN, M. R.;PERKINS, R. M.;PLANTEROSE, D. N., NUCLEOSIDES AND NUCLEOTIDES, 10,(1991) N-3, C. 427-430
摘要:
DOI:
作为产物:
描述:
三甲基溴硅烷 、 6-Chloro-9-[2-(diethoxyphosphorylmethoxy)ethoxy]-2-formamidopurine 在
水 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
反应 3.0h,
以to give the title compound as a tan solid (0.15 g, 51%), m.p. 190°-195° C的产率得到2-Amino-6-chloro-9-[2-(phosphonomethoxy)ethoxy]purine
Compounds of formula (I), and pharmaceutically acceptable salts thereof
wherein
R₁ is hydroxy, amino, chloro or OR₇
wherein
R₇ is C₁₋₆ alkyl, phenyl or phenyl C₁₋₂ alkyl either of which phenyl moieties may be substituted by one or two substituents selected from halo, C₁₋₄ alkyl or C₁₋₄ alkoxy;
R₂ is amino or, when R₁ is hydroxy or amino, R₂ may also be hydrogen;
R₃ is hydrogen, hydroxymethyl or acyloxymethyl;
R₄ is a group of formula:
R₅ and R₆ are independently selected from hydrogen, C₁₋₆ alkyl and optionally substituted phenyl; or
R₃ and R₄ together are:
wherein
R₆ is as defined above;
having antiviral activity, to processes for their preparation and their use as pharmaceuticals.
DUCKWORTH, D. M.;HARNDEN, M. R.;PERKINS, R. M.;PLANTEROSE, D. N., NUCLEOSIDES AND NUCLEOTIDES, 10,(1991) N-3, C. 427-430
作者:DUCKWORTH, D. M.、HARNDEN, M. R.、PERKINS, R. M.、PLANTEROSE, D. N.
DOI:——
日期:——
Antiviral purine compounds
申请人:Beecham Group p.l.c.
公开号:US05247085A1
公开(公告)日:1993-09-21
Compounds of formula (I), and pharmaceutically acceptable salts thereof ##STR1## wherein R.sub.1 is hydroxy, amino, chloro or OR.sub.7 wherein R.sub.7 is C.sub.1-6 alkyl, phenyl or phenyl C.sub.1-2 alkyl either of which phenyl moieties may be substituted by one or two substituents selected from halo, C.sub.1-4 alkyl or C.sub.1-4 alkoxy; R.sub.2 is amino or, when R.sub.1 is hydroxy or amino, R.sub.2 may also be hydrogen; R.sub.3 is hydrogen, hydroxymethyl or acyloxymethyl; R.sub.4 is a group of formula: ##STR2## R.sub.5 and R.sub.6 are independently selected from hydrogen, C.sub.1-6 alkyl and optionally substituted phenyl; or R.sub.3 and R.sub.4 together are: ##STR3## wherein R.sub.6 is as defined above; having antiviral activity, to processes for their preparation and their use as pharmaceuticals.