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86604-78-6 102625-98-9 142913-07-3欧盟法规
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CAS号86604-80-0 4-甲氧基-2,3,5-三甲基... | CAS号108-24-7 乙酸酐 | CAS号74409-42-0 2,3,5-三甲基吡啶 N-氧化物 | CAS号86604-79-7 4-硝基-2,3,5-三甲基吡... | CAS号695-98-7 2,3,5-三甲基吡啶 | CAS号109371-20-2 4-氯-2,3,5-三甲基吡啶... | CAS号86604-75-3 3,5-二甲基-2-氯甲基-4... | CAS号86604-78-6 奥美拉唑羟基物 | CAS号84006-10-0 2-氯甲基-3,5二甲基-4-... | CAS号73590-87-1 2-[(4-methoxy-3... | CAS号96300-88-8 3,5-二甲基-4-甲氧基-2-吡啶合成工艺路线路线简述
- 86604-80-0 = 91219-90-8
反应条件:1.1 Reagents: Acetic Anhydride Catalysts: 4-(Dimethylamino)Pyridine Solvents: Dichloromethane
标题:Improved Preparation Of 2-(Halomethyl)-3,5-Dimethyl-4-Methoxypyridine Hydrohalides,Intermediates For Omeprazole
参考文献:Spain]
86604-80-0 = 91219-90-8
反应条件:1.1 Reagents: Acetic Anhydride; 2 H,100 °C1.2 Reagents: Sodium Hydroxide Solvents: Water; 1 H,Rt2.1 Reagents: Pyridine Catalysts: 4-(Dimethylamino)Pyridine Solvents: Tetrahydrofuran; 17 H,Rt
标题:Image-Guided Development Of Heterocyclic Sulfoxides As Ligands For Tau Neurofibrillary Tangles: From First-In-Man To Second-Generation Ligands
作者:Rafique,Waqas; Et Al
参考文献:Acs Omega 日期:2018 卷标:3(7) 页码:7567-7579]
86604-78-6 = 91219-90-8
反应条件:1.1 Reagents: Pyridine Catalysts: 4-(Dimethylamino)Pyridine Solvents: Tetrahydrofuran; 17 H,Rt
标题:Image-Guided Development Of Heterocyclic Sulfoxides As Ligands For Tau Neurofibrillary Tangles: From First-In-Man To Second-Generation Ligands
作者:Rafique,Waqas; Et Al
参考文献:Acs Omega 日期:2018 卷标:3(7) 页码:7567-7579]
109371-20-2 = 91219-90-8
反应条件:1.1 Reagents: Sodium Hydroxide2.1 Reagents: Acetic Acid Solvents: Methanol,Toluene
标题:Simple,Convergent Synthesis Of The Piperazine-Linked Pyridine Derivatives: Microwave,Sonication And Conventional Methods
作者:Sharada,L. N.; Et Al
参考文献:Journal Of Pharmacy Research (Gurgaon 日期:2013 卷标:7(1) 页码:107-112]
109371-20-2 = 91219-90-8
反应条件:1.1 Reagents: Sodium Hydride Solvents: Dimethylformamide; 2 H,95 °C1.2 Reagents: Hydrochloric Acid Solvents: Water; Neutralized2.1 Reagents: Acetic Anhydride; 2 H,100 °C2.2 Reagents: Sodium Hydroxide Solvents: Water; 1 H,Rt3.1 Reagents: Pyridine Catalysts: 4-(Dimethylamino)Pyridine Solvents: Tetrahydrofuran; 17 H,Rt
标题:Image-Guided Development Of Heterocyclic Sulfoxides As Ligands For Tau Neurofibrillary Tangles: From First-In-Man To Second-Generation Ligands
作者:Rafique,Waqas; Et Al
参考文献:Acs Omega 日期:2018 卷标:3(7) 页码:7567-7579]
74409-42-0 = 91219-90-8
反应条件:1.1 Reagents: Sulfuric Acid,Nitric Acid; 18 H,40 °C1.2 Reagents: Sodium Hydroxide Solvents: Water; Ph 82.1 Reagents: Sodium; Rt -> 65 °C; 18 H,65 °C3.1 Rt -> 90 °C; 1.5 H,90 °C3.2 Reagents: Sodium Carbonate Solvents: Water; Ph 8
标题:Synthesis Of 2-Chloromethyl-4-Methoxy-3,5-Dimethylpyridine Hydrochloride
作者:Xu,Bao-Cai; Et Al
参考文献:Jingxi Huagong 日期:2004 卷标:21(1) 页码:67-69]
86604-79-7 = 91219-90-8
反应条件:1.1 Reagents: Tert-Butyl Hypochlorite Solvents: Ethanol; Rt; 3 H,75 °C2.1 Reagents: Sodium Hydride Solvents: Dimethylformamide; 2 H,95 °C2.2 Reagents: Hydrochloric Acid Solvents: Water; Neutralized3.1 Reagents: Acetic Anhydride; 2 H,100 °C3.2 Reagents: Sodium Hydroxide Solvents: Water; 1 H,Rt4.1 Reagents: Pyridine Catalysts: 4-(Dimethylamino)Pyridine Solvents: Tetrahydrofuran; 17 H,Rt
标题:Image-Guided Development Of Heterocyclic Sulfoxides As Ligands For Tau Neurofibrillary Tangles: From First-In-Man To Second-Generation Ligands
作者:Rafique,Waqas; Et Al
参考文献:Acs Omega 日期:2018 卷标:3(7) 页码:7567-7579]
86604-80-0 = 91219-90-8
反应条件:1.1 Rt -> 90 °C; 1.5 H,90 °C1.2 Reagents: Sodium Carbonate Solvents: Water; Ph 8
标题:Synthesis Of 2-Chloromethyl-4-Methoxy-3,5-Dimethylpyridine Hydrochloride
作者:Xu,Bao-Cai; Et Al
参考文献:Jingxi Huagong 日期:2004 卷标:21(1) 页码:67-69]
86604-80-0 = 91219-90-8
反应条件:1.1 Reagents: Acetic Acid Solvents: Methanol,Toluene
标题:Diversified Synthesis Of Novel Quinoline And Dibenzothiazepine Derivatives Using Known Active Intermediates
作者:Sharada,L. N.; Et Al
参考文献:Asian Journal Of Chemistry 日期:2013 卷标:25(14) 页码:7959-7966]
86604-80-0 = 91219-90-8
反应条件:1.1 Reagents: Acetic Acid Solvents: Methanol,Toluene
标题:Simple,Convergent Synthesis Of The Piperazine-Linked Pyridine Derivatives: Microwave,Sonication And Conventional Methods
作者:Sharada,L. N.; Et Al
参考文献:Journal Of Pharmacy Research (Gurgaon 日期:2013 卷标:7(1) 页码:107-112]
= 91219-90-8 [标题:Reaction Conditions
标题:Identification Of Two Main Urinary Metabolites Of [14C]Omeprazole In Humans
作者:Renberg,Lars; Et Al
参考文献:Drug Metabolism And Disposition 日期:1989 卷标:17(1) 页码:69-76]
= 91219-90-8 [标题:Reaction Conditions
标题:2,3,5-Trimethylpyridine Derivatives
参考文献:Japan]
= 91219-90-8 [标题:Reaction Conditions
标题:Preparation Of Benzimidazolylpyridinium Compounds And Their Pharmaceutical Compositions As Antiulcer Agents
参考文献:Japan]
109371-20-2 = 91219-90-8
反应条件:1.1 Reagents: Sodium Hydroxide2.1 Reagents: Acetic Acid Solvents: Methanol,Toluene
标题:Diversified Synthesis Of Novel Quinoline And Dibenzothiazepine Derivatives Using Known Active Intermediates
作者:Sharada,L. N.; Et Al
参考文献:Asian Journal Of Chemistry 日期:2013 卷标:25(14) 页码:7959-7966]
86604-79-7 = 91219-90-8
反应条件:1.1 Reagents: Sodium; Rt -> 65 °C; 18 H,65 °C2.1 Rt -> 90 °C; 1.5 H,90 °C2.2 Reagents: Sodium Carbonate Solvents: Water; Ph 8
标题:Synthesis Of 2-Chloromethyl-4-Methoxy-3,5-Dimethylpyridine Hydrochloride
作者:Xu,Bao-Cai; Et Al
参考文献:Jingxi Huagong 日期:2004 卷标:21(1) 页码:67-69]
86604-79-7 = 91219-90-8
反应条件:1.1 Reagents: Phosphorus Oxychloride; 3 - 4 H,Reflux2.1 Reagents: Sodium Hydroxide3.1 Reagents: Acetic Acid Solvents: Methanol,Toluene
标题:Diversified Synthesis Of Novel Quinoline And Dibenzothiazepine Derivatives Using Known Active Intermediates
作者:Sharada,L. N.; Et Al
参考文献:Asian Journal Of Chemistry 日期:2013 卷标:25(14) 页码:7959-7966]
86604-79-7 = 91219-90-8
反应条件:1.1 Reagents: Phosphorus Oxychloride; 3 - 4 H,Reflux2.1 Reagents: Sodium Hydroxide3.1 Reagents: Acetic Acid Solvents: Methanol,Toluene
标题:Simple,Convergent Synthesis Of The Piperazine-Linked Pyridine Derivatives: Microwave,Sonication And Conventional Methods
作者:Sharada,L. N.; Et Al
参考文献:Journal Of Pharmacy Research (Gurgaon 日期:2013 卷标:7(1) 页码:107-112
2,3,5-三甲基吡啶 1-氧化物置于硝酸,Sodium Methylate体系中,用 溶剂黄146 作为反应溶剂,化学反应 51.0H,反应生成 2-(乙酰氧基甲基)-4-甲氧基-3,5-二甲基吡啶
参考文献:(h +,K +)-Atpase抑制2-[((2-吡啶基甲基)亚磺酰基]苯并咪唑 4.具有增加的选择性的一系列新的二甲氧基吡啶基取代的抑制剂.选择of托拉唑作为临床候选药物.
标题:(h +,K +)-Atpase抑制2-[((2-吡啶基甲基)亚磺酰基]苯并咪唑 4.具有增加的选择性的一系列新的二甲氧基吡啶基取代的抑制剂.选择of托拉唑作为临床候选药物.
摘要:[(吡啶基甲基)亚磺酰基]苯并咪唑1(psbs)是一类高度有效的抗分泌(h +,K +)-Atpase抑制剂,需要通过酸激活才能形成其活性成分,即环亚磺酰胺4.(h +,K +)-Atpase在体内仅在低ph时会产生非选择性的亲硫基4,从而避免了与体内其他巯基的相互作用.进行酸催化转化的倾向取决于2形成中所涉及的官能团的亲核/亲电性质,因为该步骤既决定速率又取决于ph.这项研究的目的是鉴定在具有酸性ph值的刺激胃腺中具有高(h +,K +)-Atpase抑制活性的化合物,但在体外ph值(na +,K +)-Atpase抑制活性.仔细研究了所有衍生物中存在的吡啶4-甲氧基取代基侧面的取代基的关键影响.3-甲氧基的引入使得抑制剂具有与奥美拉唑和兰索拉唑相似的高效力组合,但是增加了稳定性.这些研究的结果是,化合物1A(inn Top托拉唑)被选作候选药物,目前正在进行iii期临床研究.
DOI:10.1021/jm00084A010
海关参考信息
- 2912110000-甲醛
2912120000-乙醛
2915110000-甲酸
2915211900-乙酸 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
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专利信息
专利号:US-6437139-B1
优先权日:1997-05-06
标题 :Synthesis of pharmaceutically useful pyridine derivatives
发明人:ZOGHBI MICHEL; CHEN LIQUIN
权利人:PDI RES LAB INC
摘要:A process is provided for the preparation of compounds of formula I,useful in the preparation of compounds such as Omeprazole, Lansoprazole and Pantoprazole, wherein R1=H or CH3, R2=H or CH3, R3=Alkoxy (1-4C), OCH2CF3, Cyano, Hydrogen, Halogen, Acetoxy or Aryloxy, any electron withdrawing group or salts (organic or inorganic) of electron donating groups, R=Alkoxy, Hydroxy, Halogen, Activated ester, Tosylate, Mesylate, Thiol or Xanthyl, wherein the process for the preparation of compound of formula I employs a free radical reaction to functionalize the 2-position.
专利号:US-6121454-A
优先权日:1997-05-06
标题 :Synthesis of pharmaceutically useful pyridine derivatives
发明人:ZOGHBI MICHEL; CHEN LIQUIN
权利人:PDI RESEARCH LAB INC
摘要:A process is provided for the preparation of compounds of formula I, useful in the preparation of compounds such as Omeprazole, Lansoprazole and Pantoprazole, wherein R1=H or CH3, R2=H or CH3, R3=Alkoxy (1-4C), OCH2CF3, Cyano, Hydrogen, Halogen, Acetoxy or Aryloxy, any electron withdrawing group or salts (organic or inorganic) of electron donating groups, R=Alkoxy, Hydroxy, Halogen, Activated ester, Tosylate, Mesylate, Thiol or Xanthyl, wherein the process for the preparation of compound of formula I employs a free radical reaction to functionalize the 2-position.