CAS: 2789-25-5; 2-Chloro-3-Nitropyridin-4-Amine

相似化合物

39217-08-8 2897-43-0 2604-39-9

上下游产品

CAS号14432-13-4 2-氯-4-n-硝基(氨基吡啶) | CAS号5975-12-2 2,4-二氯-3-硝基吡啶 | CAS号14432-12-3 4-氨基-2-氯吡啶 | CAS号5470-18-8 2-氯-3-硝基吡啶 | CAS号7664-93-9 硫酸 | CAS号39217-08-8 3,4-二氨基-6-氯吡啶 | CAS号24501-21-1 3-硝基吡啶-2,4-二胺 | CAS号88511-57-3 3-硝基-2-羟基-4-氨基吡啶 | CAS号87871-08-7 9-(2-hydroxy-3-...

2,4-二氯-3-硝基吡啶置于氨体系中,用 乙醇 用作溶剂,化学反应 96.0H,以71%的收率获得4-氨基-2-氯-3-硝基吡啶
参考文献:New Substituted Imidazo-Pyridinones And Imidazo-Pyridazinones,The Preparation Thereof And Their Use As Pharmaceutical Compositions
标题:New Substituted Imidazo-Pyridinones And Imidazo-Pyridazinones,The Preparation Thereof And Their Use As Pharmaceutical Compositions
摘要:本发明涉及通式所示的取代咪唑吡啶酮和咪唑吡啶酮,其中r1至r4如权利要求书中所定义,它们的互变异构体,立体异构体,混合物及其盐,具有有价值的药理特性,特别是对酶二肽基肽酶-Iv(dpp-Iv)活性的抑制作用.

专利信息

专利号:US-2009270431-A1
优先权日:2005-10-19
标 题 :Cyclopentenol Nucleoside Compounds Intermediates for their Synthesis and Methods of Treating Viral Infections
发明人：CHU DAVID C K; CHO JONG HYUN; KIM HYO-JOONG
权利人:UNIV GEORGIA RES FOUND
摘要:The present invention relates to compounds according to the structure (I), Where B is formula (Ia), formula (Ib) or formula (Ic); A is H, OR 2 or halogen (F, Cl, Br, I, preferably F or Br, more preferably F); A′ is H, OR2 or halogen (F, Cl, Br, I, preferably F or Br, more preferably F); A″ is H or OR 1 , with the proviso that when A′ is OR, A is H; and when A is OR 2 , A′ is H; X is C—R 3 or N; Y is C—R 3 or N; preferably X or Y is N and X and Y are not both simultaneously N; R 3 is H or C 1 -C 3 alkyl; D is H or NHR 2 ; E is absent or H; G is O or NHR 2 ; J is N or C—R 4 ; K is N or C—H; R 4 is H, halogen (F, Cl, Br, I), CN, —C(â•?O)NH 2 , NH 2 , NO 2 , —Câ•?C—H (cis or trans) or —C≡C—H; R a is H or CH 3 ; Each R 1 is independently H, an acyl group, a C 1 -C 20 alkyl or ether group, a phosphate, diphosphate, triphosphate, phosphodiester group; Each R 2 is independently H, an acyl group, a C 1 -C 20 alkyl or ether group;and Pharmaceutically acceptable salts, solvates or polymorphs thereof.

专利号:WO-2007047793-A2
优先权日:2005-10-19
标 题 :Cyclopentenol nucleoside compounds, intermediates for their synthesis and methods of treating viral infections