Microwave Assisted Urea-Acetic Acid Catalyzed Knoevenagel Condensation of Ethyl Cyanoacetate and 1,3-Thiazolidine-2,4-dione with Aromatic Aldehydes under Solvent Free Condition
作者:Pravin. T. Tryambake
DOI:10.14233/ajchem.2017.20695
日期:——
conditions [17], microwave irradiation [18], piperidine in ethanol [19a], piperidinium acetate in toluene under reflux conditions [19b], piperidinium acetate in DMF under microwave irradiation [20], glycine and sodium carbonate in H2O under reflux conditions [21], grinding with ammonium acetate in the absence of solvents [22], alum in H2O [23], Baker’s yeast [24], KF-Al2O3 under microwave irradiation [25]
Use of ER selective NF-kB inhibitors for the treatment of sepsis
申请人:Caggiano J. Thomas
公开号:US20050256132A1
公开(公告)日:2005-11-17
The present invention provides methods for treating sepsis, systemic inflammatory response syndrome, severe sepsis, septic shock, and multiple organ dysfunction syndrome by modulating NF-κB transcription with ligands that interact with the estrogen receptor, preferably in the absence of classic estrogenic activity. Other aspects of the invention relate to methods for treating sepsis, systemic inflammatory response syndrome, severe sepsis, septic shock, and multiple organ dysfunction syndrome that comprise administering to a patient suffering therefrom an effective amount of a compound of Formula I:
A Simple, Efficient and Green Procedure for the Knoevenagel Condensation of Aldehydes with N-Methylpiperazine at Room Temperature under Solvent-Free Conditions
作者:Chhanda Mukhopadhyay、Arup Datta
DOI:10.1080/00397910802029364
日期:2008.6.20
Abstract Knoevenagelcondensation of aromatic, aliphatic, and heteroaromatic aldehydes with active methylene compounds such as ethylcyanoacetate, malononitrile, and cyanoacetamide proceed very smoothly at room temperature by simply mixing the ingredients together undersolvent-freeconditions in the presence of N-methylpiperazine in excellent yields of the E-configured products.
摘要 芳香族、脂肪族和杂芳香族醛与活性亚甲基化合物如氰乙酸乙酯、丙二腈和氰基乙酰胺的 Knoevenagel 缩合在室温下非常顺利地进行,方法是在 N-甲基哌嗪的存在下,在无溶剂条件下简单地将这些成分混合在一起,收率非常好的 E 配置产品。
trans-Selective hydrocyanation of ynoates, ynones and ynoic acids catalyzed by nucleophilic phosphines
the presence of TMSCN and an alcohol additive are catalyzed by nucleophilicphosphines. The trisubstituted E-olefin products of anti-addition of hydrogen cyanide to the alkyne are produced with high regio- and stereoselectivity. The alcohol additive reacts with TMSCN to produce hydrogen cyanide in situ. Ynoic acids undergo the phosphine catalyzed hydrocyanation in the presence of TMSCN under aprotic
Layered Double Hydroxides-Supported Diisopropylamide: Synthesis, Characterization and Application in Organic Reactions
作者:M. Lakshmi Kantam、A. Ravindra、Ch. Venkat Reddy、B. Sreedhar、B. M. Choudary
DOI:10.1002/adsc.200505266
日期:2006.3
The layereddoublehydroxides-supporteddiisopropylamide (LDH-DA) catalyst is found to be an efficient and selective solid base for aldol, Knoevenagel, Henry, Michael, transesterification and epoxidation reactions under liquid phase conditions. LDH-DA is synthesized by the interaction of lithium diisopropylamide with LDH-NO3 (as-synthesized) and calcined LDH-NO3. The LDH-DA (Mg/Al, 3/1) and their precursors
发现层状双氢氧化物负载的二异丙基酰胺(LDH-DA)催化剂是在液相条件下用于醇醛,Knoevenagel,Henry,Michael,酯交换和环氧化反应的有效且选择性的固体碱。LDH-DA是通过二异丙基氨基锂与LDH-NO 3(合成后)和煅烧的LDH-NO 3相互作用而合成的。通过使用各种仪器技术,如FT-IR,TGA和DTA,粉末XRD,固态27 Al MAS NMR光谱,SEM和XPS(ESCA ),可以很好地表征LDH-DA(Mg / Al,3/1)及其前体)。