云南高校图书馆联盟文献共享服务平台- DIHYDROPYRIMIDINONES

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Synthesis and pharmacological activity evaluation of curcumin derivatives被引量：1: 《Chinese Chemical Letters》2016年第7期1067-1072,共6页Jaggi Lal Sushil K.Gupta D.Thavaselvam Dau D.Agarwal; the Madhya Pradesh Council of Science and Technology, Bhopal, India; for financial support (No. 4468/CST/R&D/2010); Curcumin 3,4-dihydropyrimidinones/thiones/imines have been synthesized using one-pot cyclocondensation of curcumin with substituted aromatic aldehydes and urea/thiourea/guanidine in the presence of chitosamine hydroch...; 关键词：Curcumin dihydropyrimidinones/thiones/ IMINES Microwave irradiations Antioxidant capacity Anti-inflammatory activity

Phase Transfer Catalysis Improved Synthesis of 3,4-Dihydropyrimidinones: 《International Journal of Organic Chemistry》2013年第3期96-100,共5页Hela Slimi Khemais Said Younes Moussaoui Ridha Ben Salem; financial support of the Ministry of Higher Education and Scientific Research of Tunisia.; Various 3,4-dihydropyrimidinones can be prepared via Biginelli reaction in aqueous media by using quaternary ammonium salts of different alkyl groups (C4 and C8) and anions (Cl-?and Br-) as catalysts. The use of quate...; 关键词：Multicomponent Reaction Biginelli Reaction 3 4-Dihydropyrimidinones Phase-Transfer Catalysis Quaternary Ammonium Salts

Diketene-based neat four-component synthesis of the dihydropyrimidinones and dihydropyridine backbones using silica sulfuric acid(SSA)被引量：4: 《Chinese Chemical Letters》2012年第8期930-932,共3页Sadegh Rostamnia Kamran Lamei; Heterocyclic skeleton building blocks to afford dihydropyrimidinones and dihydropyridines based on neat adducts of diketene, alcohols and aldehydes via silica sulfuric acid （SSA） catalyzed ring opening of diketene i...; 关键词：Diketene DIHYDROPYRIMIDINONE Dihydropyridine Heterocyclic skeleton Silica sulfuric acid

Combustion Derived Nanocrystalline-ZrO2 and Its Catalytic Activity for Biginelli Condensation under Microwave Irradiation: 《Chinese Journal of Chemistry》2011年第9期1863-1868,共6页Bhojegowd, Madhusudana Reddy M. Siddaramanna, Ashoka Siddappa, Anandakumar B. Thimmanna, Chandrappa G. Pasha, Mohamed A.; Nanocrystalline zirconium（IV） oxide （nc-ZrO2） possessing high surface area was synthesized by a low tem- perature eco-friendly solution combustion method using a new organic fuel alanine. The powder XRD, SEM and s...; 关键词：nanocrystalline-ZrO2 solution combustion araldehydes ethylaceto acetate nano materials GREENCHEMISTRY catalysis 3 4-dihydropyrimidinones

无溶剂条件下用于合成3,4-二氢嘧啶-2(1H)-酮的高效、可磁性回收Fe_3O_4纳米粒子催化剂(英文)被引量：4: 《催化学报》2011年第9期1484-1489,共6页Masoud NASR-ESFAHANI S. Jafar HOSEINI Fatemeh MOHAMMADI; supported by Yasouj University Research Councils; The catalytic activity of Fe3O4 nanoparticles (NPs) in a one-pot three component condensation reaction consisting of an aromatic aldehyde, urea or thiourea, and a β-dicarbonyl under solvent-free conditions was invest...; 关键词：DIHYDROPYRIMIDINONES dihydropyrimidinthiones ferroferric oxide nanoparticle one-pot condensation SOLVENT-FREE

An efficient Biginelli one-pot synthesis of new benzoxazole-substituted dihydropyrimidinones and thiones catalysed by trifluoro acetic acid under solvent-free conditions: 《Chinese Chemical Letters》2009年第9期1059-1061,共3页D.Shobha M.Adharvana Chari K.H.Ahn; An efficient synthesis of benzoxazole-substituted 3,4-dihydropyrimidinones （DHPMs） using trifluoro acetic acid as the catalyst for the first time from an aldehyde, 13-keto ester and benzoxazole-substituted urea/thio...; 关键词：DIHYDROPYRIMIDINONES Trifluoro acetic acid Benzoxazole-substituted urea and thiourea

An efficient and solvent-free one-pot synthesis of dihydropyrimidinones under microwave irradiation被引量：3: 《Chinese Chemical Letters》2007年第6期647-650,共4页Cheng Jiang Qi Dong You; An efficient synthesis of 3,4-dihydropyrimidin-2(1H)-one derivatives using formic acid as catalyst, from aldehydes, β-ketoester and urea(thiourea) without solvent under the irradiation of microwave is described. Comp...; 关键词：Biginelli reaction 3 4-Dihydropyrimidone MICROWAVE SOLVENT-FREE Formic acid

A green synthesis of dihydropyrimidinones by Biginelli reaction over Nafion-H catalyst被引量：2: 《Chinese Chemical Letters》2007年第5期502-504,共3页Hai Xia Lin Qing Jie Zhao Bin Xu Xiao Hong Wang; A Nation-H catalyzed, single step and environmentally friendly process for synthesis of dihydropyrimidinones is described. This adopted protocol for Biginelli reaction has the advantages of reusability of the catalyst...; 关键词：Nation-H DIHYDROPYRIMIDINONE Biginelli reaction CATALYSIS

One-pot Synthesis of 3,4-Dihydropyrimidin-2(1H)-one Using TsOH as a Catalyst under Microwave Irradiation: 《Chinese Journal of Chemistry》2003年第6期706-709,共4页屠树江房芳缪春宝蒋虹史达清; ProjectsupportedbytheNaturalScienceFoundationofJiangsuProvince (No .BK2 0 0 114 2 )andtheNaturalScienceFoundationofJiang suEducationDepartment (No .0 1KJB15 0 0 0 8)andJiangsuProvinceKeyLaboratoryofChemical&EngineeringandTechnologyFounda tion (No .KJ; A series of Biginelli compounds was synthesized using TsOH as a catalyst under microwave irradiation. This simple method provided the title compounds in 86%-98% yields by the reaction of aromatic aldehydes with 1,3 c...; 关键词：DIHYDROPYRIMIDINONES Biginelli reaction micro wave TsOH

Synthesis of 4-Aryl-3,4-dihydropyrimidinones Using Microwave-assisted Solventless Biginelli Reaction被引量：6: 《Chinese Journal of Chemistry》2002年第4期385-389,共5页薛松申晏才李亚莉沈小明郭庆祥; theResourceResearchBaseFoundationofUniversityofScienceandTechnologyofChinaandtheNationalNaturalScienceFoundationofChina (No.2 9972 0 38); 4-Aryl-3, 4-dihydropyrimidinones were synthesized using microwave-assisted,solvent-free protocol of the Biginelli reaction. The simple method provides the title compounds in78%―95% yields by the reaction of aromatic ...; 关键词：DIHYDROPYRIMIDINONES microwave irradition biginelli reaction

DIHYDROPYRIMIDINONES