123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Catalysts: Barium Hydroxide Solvents: 1-Ethyl-3-Methylimidazolium Dicyanamide; 6 H,Rt 标题:Large Acceleration Under Highly Concentrated Conditions: Synthesis Of Chalcones Using A Small Amount Of Dmf Or [emim]N(Cn)2 作者:Tanemura,Kiyoshi 参考文献:Results In Chemistry 日期:2022 卷标:4]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Catalysts: Sulfuric Acid (Silica Supported); 3 H,80 °C 标题:Silica Sulfuric Acid As An Efficient And Reusable Reagent For Crossed-Aldol Condensation Of Ketones With Aromatic Aldehydes Under Solvent-Free Conditions 作者:Salehi,Peyman; Dabiri,Minoo; Zolfigol,Mohammad Ali; Fard,Mohammad Ali Bodaghi 参考文献:Journal Of The Brazilian Chemical Society 日期:2004 卷标:15(5) 页码:773-776]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Catalysts: Potassium Carbonate,Sodium Hydroxide; 8 Min 标题:Rapid Synthesis Of Chalcones Without Solvent 作者:Wang,Cunde; Guo,Ming-Zhu; Zhou,Zhi-Feng 参考文献:Huaxue Shiji 日期:2004 卷标:26(1)]
123-11-5 + 72178-38-2 = 959-33-1 反应条件:1.1 Catalysts: 1H-Imidazolium,3-[3-[[(1S)-1,2-Dicarboxyethyl]Amino]-3-Oxopropyl]-1-Methyl-,Br...; 4 H,25 °C 标题:An Efficient Synthesis Of α,β-Unsaturated Ketones Via Claisen-Schmidt Condensation Reaction Using Amino Acid Based Ionic Liquids 作者:Selvaraj,Ganesh Gopalsamy; Jayaraman,Sakthinarayanan; Selvarasu,Uthayanila; Velumani,Bharathi Priya; Parasuraman,Karthikeyan 参考文献:Current Catalysis 日期:2021 卷标:10(2) 页码:103-107]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Reagents: Sodium Hydroxide Solvents: Water; 48 H,Rt 标题:Aldol Condensation In Water Using Polyethylene Glycol 400 作者:Tanemura,Kiyoshi; Suzuki,Tsuneo; Nishida,Yoko; Horaguchi,Takaaki 参考文献:Chemistry Letters 日期:2005 卷标:34(4) 页码:576-577]
10325-67-4 = 959-33-1 反应条件:1.1 Reagents: Sodium Trithiocarbonate Catalysts: Trioctylmethylammonium Chloride Solvents: Benzene,Water 标题:The Dehalogenation Of Vic-Dihaloalkanes To Alkenes With Sodium Trithiocarbonate Or Sodium Dithiocarbonate In The Presence Of Phase-Transfer Catalysts 作者:Sugawara,Akira; Nakamura,Atsushi; Araki,Akitoshi; Sato,Ryu 参考文献:Bulletin Of The Chemical Society Of Japan 日期:1989 卷标:62(8) 页码:2739-41]
123-11-5 + 13735-81-4 = 959-33-1 反应条件:1.1 Reagents: Chlorotrimethylsilane,Sodium Iodide Solvents: Acetonitrile1.2 Reagents: Triethylamine Solvents: Acetonitrile1.3 Reagents: Chlorotrimethylsilane,Sodium Iodide 标题:Reagents And Synthetic Methods. 59. Iodotrimethylsilane-Mediated Aldol -Type Condensation Between Trialkylsilyl Enol Ethers And Trimethylsilyl Halohydrins 作者:Aizpurua,J. M.; Palomo,C. 参考文献:Anales De Quimica 日期:1987 卷标:83(1) 页码:121-3]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Catalysts: Naphthalene (Reaction Products With Sulfuric Acid),Sulfuric Acid (Reaction Product With Naphthalene); 100 Min,70 °C; 70 °C -> Rt1.2 Reagents: Dichloromethane; > 1 Min,Heated 标题:Carbon-Based Solid Acid As An Efficient And Reusable Catalyst For Cross-Aldol Condensation Of Ketones With Aromatic Aldehydes Under Solvent-Free Conditions 作者:Zali,Abbas; Ghani,Kamal; Shokrolahi,Arash; Keshavarz,Mohammad Hossein 参考文献:Cuihua Xuebao 日期:2008 卷标:29(7) 页码:602-606]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Reagents: Water Catalysts: Barium Hydroxide Solvents: 1,4-Dioxane 标题:Barium(Ii) Hydroxide As Catalyst In Organic Reactions. 20. Structure-Catalytic Activity Relationship In The Wittig Reaction 作者:Climent,M. S.; Marinas,J. M.; Mouloungui,Z.; Le Bigot,Y.; Delmas,M.; Et Al 参考文献:Journal Of Organic Chemistry 日期:1989 卷标:54(15) 页码:3695-701]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Reagents: Sodium Hydroxide Solvents: Ethanol,Water; Overnight,5 - 10 °C 标题:An Eco-Friendly Synthesis Of 2-Pyrazoline Derivatives Catalysed By Cecl3.7H2O 作者:Bhat,Prabhat; Shridhar,Gomathi; Ladage,Savita; Ravishankar,Lakshmy 参考文献:Journal Of Chemical Sciences (Berlin 日期:2017 卷标:129(9) 页码:1441-1448]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Catalysts: 4,6-Bis(Sulfoamino)-1,3,5-Triazin-2-Yl Sulfamate; 70 Min,75 °C 标题:Melamine Trisulfonic Acid As An Efficient And Reusable Catalyst For The Crossed-Aldol Condensation Of Ketones And Aldehydes Under Solvent-Free Conditions 作者:Shirini,Farhad; Beigbaghlou,Somayeh Sarvi; Atghia,Seyyed Vahid 参考文献:Iranian Journal Of Catalysis 日期:2012 卷标:2(4) 页码:157-163]
123-11-5 + 98-86-2 = 959-33-1 反应条件:1.1 Catalysts: Diethylamine Solvents: Water; 10 H,Rt1.2 Reagents: Hydrochloric Acid Solvents: Water; Rt 标题:A Green,Inexpensive And Efficient Organocatalyzed Procedure For Aqueous Aldol Condensations 作者:Abaee,M. Saeed; Mojtahedi,Mohammad M.; Forghani,Soudabeh; Ghandchi,Nafiseh M.; Forouzani,Mehdi; Et Al 参考文献:Journal Of The Brazilian Chemical Society 日期:2009 卷标:20(10) 页码:1895-1900
2,3-Dibromo-3-(4-Methoxy-Phenyl)-1-Phenyl-Propan-1-One置于sodium Hydrogensulfide体系中,用 甲醇 作为反应溶剂,化学反应生成 4-甲氧基查耳酮 参考文献:Doshi,Ashok G.; Ghiya,Bhanulal J.,Journal Of The Indian Chemical Society,1986,Vol. 63,P. 404-405 标题:Doshi,Ashok G.; Ghiya,Bhanulal J.,Journal Of The Indian Chemical Society,1986,Vol. 63,P. 404-405
专利号:US-8309742-B2 优先权日:2007-05-09 标题 :Use of the PigD protein for catalyzing 1,4-additions of 2-oxoalkanoates to α, β-unsaturated ketones 发明人:MUELLER MICHAEL; DRESEN CAROLA; RICHTER MICHAEL 权利人:MUELLER MICHAEL; DRESEN CAROLA; RICHTER MICHAEL; UNIV ALBERT LUDWIGS FREIBURG 摘要:The present invention relates to the preparation of compounds of the general formula II which can be obtained by 1,4 addition of 2-oxoalkanoates or 2-oxocarboxylic acids onto the appropriate ketones. The present invention also relates to the use of the PigD protein for catalysis of 1,4 additions of 2-oxoalkanoates/-carboxylic acids, for example pyruvate/pyruvic acid or 2-oxobutyrate/2-oxobutyric acid, onto aliphatic, aromatic and heterocyclic α,β-unsaturated ketones. The 1,4 additions are effected here with CO2 elimination. The use of the PigD protein as a catalyst in the aforementioned 1,4 additions enables the synthesis of addition products with stereoactive centers these addition products being preparable with an enantiomeric excess of more than 80% ee. The aliphatic, aromatic and heterocyclic α,β-unsaturated ketones which are suitable for the process are represented by the general formula I: