113697-57-7Relevant articles and documents
Efficient Ce(NO3)3·6H2O-catalyzed solvent-free synthesis of 3,4-dihydropyrimidin-2(1H)-ones
Adib, Mehdi,Ghanbary, Khadijeh,Mostofi, Manizheh,Ganjali, Mohammad Reza
, p. 649 - 654 (2006)
Cerium(III) nitrate hexahydrate efficiently catalyzes the three-component Biginelli reaction under solvent-free conditions of an aldehyde, a β-keto ester or β-diketone and urea or thiourea to afford the corresponding 3,4-dihydropyrimidin-2(1H)-ones or -th
FeCl36H2O-Catalyzed Conversion of acylals to dihydropyrimidinones under microwave conditions: A new procedure for the Biginelli reaction
Majd, Mahdieh Mozaffari,Saidi, Kazem,Khabazzadeh, Hojatollah
, p. 325 - 329 (2010)
FeCl36H2O efficiently catalyzed the three-component condensation reaction of acylals, ethyl acetoacetate, and urea or thiourea to afford the corresponding 3,4-dihydropyrimidin-2(1H)-ones in good yields under solvent-free and microwav
Calix[8]arene sulfonic acid catalyzed three-component reaction for convenient synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones under ultrasonic irradiation
An, Lin,Han, Li-Li,Wang, Zu-Jian,Huang, Tong-Hui,Zhu, Hui-Dong
, p. 267 - 271 (2016)
In this work, the catalytic activity of calix[8]arene sulfonic acid was successfully investigated for the famous Biginelli reaction. Under ultrasonic irradiation, calix[8]arene sulfonic acid could efficiently catalyzed the three-component reaction of alde
Green Synthesis of Copper Oxide Nanoparticles with an Extract of Euphorbia maculata and Their Use in the Biginelli Reaction
Alinezhad, Heshmatollah,Pakzad, Khatereh
, p. 1 - 9 (2020)
-
Iron (III) phosphate dihydrate - Catalyzed one-pot synthesis of dihydropyrimidinones and thiones: An improved procedure for the Biginelli reaction
Heravi, Majid M.,Behbahani, Farahnaz K.,Zadsirjan,Oskooie, Hossien A.
, p. 369 - 372 (2006)
A fast and high yielding one-pot synthesis of 3,4-dihydropyrimidin-2(1H)- ones with various aliphatic and aromatic aldehydes using FePO 4.2H2O as heterogeneous catalyst was carried out in acetonitrile.
Bismuth subnitrate catalyzed efficient synthesis of 3,4-dihydropyrimidin- 2(1H)-ones: An improved protocol for the Biginelli reaction
Reddy, Y. Thirupathi,Rajitha,Reddy, P. Narsimha,Kumar, B. Sunil,Rao
, p. 3821 - 3825 (2004)
An efficient synthesis of 3,4-dihydropyrimidinones (DHPMs) using bismuth subnitrate as the catalyst for the first time from an aldehyde, β-ketoester, and urea in acetonitrile is described. This new method consistently has the advantage of excellent yields
An environmentally benign one-pot synthesis of 3,4-dihydropyrimidin-2(1H)- ones and -thiones using tetrabutylammonium hexatungstate [TBA] 2[W6O19] as a recyclable catalyst
Mohammadzadeh-Dehsorkh, Neda,Davoodnia, Abolghasem,Tavakoli-Hoseini, Niloofar,Moghaddas, Maryam
, p. 1135 - 1140 (2011)
Tetrabutylammonium hexatungstate [TBA]2[W6O 19], an isopolytungstate, was found to be a highly efficient and recyclable heterogeneous catalyst for Biginelli reaction of ethyl acetoacetate, an aryl aldehyde, and urea or thi
Xanthan sulfuric acid: A new and efficient biosupported solid acid catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones
Kuarm, B. Suresh,Madhav, J. Venu,Laxmi, S. Vijaya,Rajitha
, p. 1211 - 1217 (2012)
Xanthan sulfuric acid (XSA) is employed as a recyclable catalyst for the synthesis of 3,4-dihydropyrimidin-2(1H)-ones. These syntheses were performed via a one-pot, threecomponent condensation of aldehydes, amines, and urea/thiourea under solvent-free con
Copper dipyridine Dichloride as a mild and efficient catalyst for a one pot condensation Bigenelli reaction
Naveen Kumar,Someshwar,Narsimha Reddy,Thirupathi Reddy,Rajitha
, p. 1017 - 1019 (2005)
The condensation reaction of aldehydes, β-ketoesters and urea/thiourea in presence of a catalytic amount of CuPy2Cl2 complex proceeded under very mild reaction conditions in high yield (80-90%).
Antimony(III) chloride impregnated on alumina - An efficient and economical Lewis acid catalyst for one-pot synthesis of dihydropyrimidinones under solvent-free conditions
Kapoor, Kamal K.,Ganai, Bilal A.,Kumar, Satish,Andotra, Charanjeet S.
, p. 433 - 437 (2006)
The antimony(III) chloride impregnated on alumina efficiently catalyses a one-pot, three-component condensation reaction among an aldehyde, a β-ketoester, and urea or thiourea to afford the corresponding dihydropyrimidinones in good to excellent yields. T
Microwave assisted solvent-free one pot biginelli synthesis of dihydropyrimidinone compounds on melamine-formaldehyde as a solid support
Rezaei, Ramin,Mohammadi, Mohammad Kazem,Khaledi, Adiba
, p. 4588 - 4590 (2013)
An effective one-pot synthesis of dihydropyrimidinonoes using Melamine-formaldehyde resin supported H+ (MFRH) as an inexpensive and readily available reagent through Biginelli condensation reaction of aldehyde, 1,3-dicarbonyl compounds and (thio)urea in c
One-pot synthesis of 3,4-dihydropyrimidine-2-(1H)-ones using CsF-Celite as catalyst
Chancharunee, Sirirat,Pinhom, Pilaiwan,Pohmakotr, Manat,Perlmutter, Patrick
, p. 880 - 886 (2009)
A facile, efficient, and environmentally benign procedure for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones via the cyclocondensation reaction of aromatic aldehyde, ethyl acetoaceate, and urea catalyzed by CsF-Celite was developed. This environmentall
Efficient biocatalytic strategy for one-pot Biginelli reaction via enhanced specific effects of microwave in a circulating reactor
Xie, Zong-Bo,Fu, Lei-Han,Meng, Jia,Lan, Jin,Hu, Zhi-Yu,Le, Zhang-Gao
, (2020)
A one-pot efficient biocatalytic strategy for the synthesis of 3,4-dihydropyrimidin-2-(1H)-ones was developed in a circulating microwave reactor selecting α-chymotrypsin as the promiscuous biocatalyst. In the circulating reaction system, the combination o
Efficient one-pot synthetic methods for the preparation of 3,4-dihydropyrimidinones and 1,4-dihydropyridine derivatives using BNPs?SiO2(CH2)3NHSO3H as a ligand and metal free acidic heterogeneous nano-catalyst
Bahrami, Kiumars,Khodamorady, Minoo,Sohrabnezhad, Samira
, (2020)
Heterocyclic compounds with biological and pharmacological activates like 3,4-dihydropyrimidin-2-(1H)-ones and 1,4-dihydropyridines have attracted great interest. Boehmite nanoparticles functionalized with silylpropyl sulfamic acid (BNPs?SiO2(C
Imidazole functionalized magnetic Fe3O4 nanoparticles as a novel heterogeneous and efficient catalyst for synthesis of dihydropyrimidinones by Biginelli reaction
Nazari, Simin,Saadat, Shervin,Fard, Pegah Kazemian,Gorjizadeh, Maryam,Nezhad, Eshagh Rezaee,Afshari, Mozhgan
, p. 1877 - 1882 (2013)
Dihydropyrimidinone derivatives were synthesized in moderate to high yields in one-pot three-component condensation reactions from the corresponding aldehydes, 1,3-dicarbonyl compounds, and urea in the presence of catalytic amounts of imidazole functional
Efficient synthesis of 3,4-dihydropyrimidin-2(1H)-ones over silica sulfuric acid as a reusable catalyst under solvent-free conditions
Salehi, Peyman,Dabiri, Minoo,Zolfigol, Mohammad Ali,Bodaghi Fard, Mohammad Ali
, p. 2435 - 2440 (2003)
3,4-Dihydropyrimidin-2(1H)-ones and their sulfur analogues are efficiently synthesized by the three-component condensation of β-dicarbonyl compounds, aromatic and aliphatic aldehydes, and urea or thiourea in the presence of catalytic amounts of silica sul
Nano isopolyoxomolybdate catalyzed Biginelli reaction for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones and 3,4-dihydropyrimidin-2(1H)-thiones under solvent-free conditions
Nakhaei,Davoodnia,Yadegarian
, p. 2870 - 2876 (2016)
The Biginelli reaction of β-ketoesters with aryl aldehyde and urea or thiourea in the presence of a Keplerate type giant nanoporous isopolyoxomolybdate, (NH4)42[Mo72 VIMo60 VO372
Trimethylsilyl chloride: A facile and efficient reagent for one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones
Zhu, Yulin,Pan, Yeanjiang,Huang, Shenlin
, p. 3167 - 3174 (2004)
Trimethylsilyl chloride (TMSCl) was used as a Lewis acid to efficiently perform one-pot, three-components, Biginelli condensation reactions of aldehydes, 1,3-dicarbonyl compounds, and urea or thiourea. This resulted in simple one-pot synthesis of the corr
Facile synthesis of pyranopyrazoles and 3,4-dihydropyrimidin-2(1H)-ones by a Ti-grafted polyamidoamine dendritic silica hybrid catalyst via a dual activation route
Sinija,Sreekumar
, p. 101776 - 101788 (2015)
A simple, highly efficient and ecofriendly approach for the preparation of biologically potent pyranopyrazoles and 3,4-dihydropyrimidin-2(1H)-ones are described here. A Ti-grafted polyamidoamine dendritic silica hybrid catalyst was successfully synthesize
Scandium(III) triflate as an efficient and reusable catalyst for synthesis of 3,4-dihydropyrimidin-2(1H)-ones
De, Surya K.,Gibbs, Richard A.
, p. 2645 - 2651 (2005)
Sc(III) triflate efficiently catalyzes the three-component condensation reaction of an aldehyde, a β-ketoester, and urea in refluxing acetonitrile to afford the corresponding 3,4-dihydropyrimidin-2(1H)-ones in excellent yields. The catalyst can be recover
Preparation of iron-containing schiff base and ionic liquid based bifunctional periodic mesoporous organosilica and its application in the synthesis of 3,4-dihydropyrimidinones
Elhamifar, Dawood,Nazari, Elham
, p. 820 - 826 (2015)
A novel iron-containing Schiff base and ionic liquid based bifunctional periodic mesoporous organosilica (Fe@SBIL-BPMO) was prepared, characterized, and its catalytic application was developed. The SBIL-BPMO was first prepared by the grafting of 3-aminopr
Sulfonic Acid and Ionic Liquid Functionalized Covalent Organic Framework for Efficient Catalysis of the Biginelli Reaction
Yao, Bing-Jian,Wu, Wen-Xiu,Ding, Luo-Gang,Dong, Yu-Bin
, p. 3024 - 3032 (2021/02/05)
A quinoline-linked and ionic liquid-decorated covalent organic framework was prepared by incorporation of a multicomponent Povarov reaction and postsynthetic modification. The imidazolium and sulfonic acid-decorated COF-IM-SO3H can be a highly efficient B
Natural dolomitic limestone-catalyzed synthesis of benzimidazoles, dihydropyrimidinones, and highly substituted pyridines under ultrasound irradiation
Godugu, Kumar,Gundala, Trivikram Reddy,Mohinuddin Pinjari, Mohammad Khaja,Reddy Nallagondu, Chinna Gangi,Sanapareddy, Lakshmi Reddy,Sri Yadala, Venkata Divya
supporting information, p. 1881 - 1900 (2020/10/02)
Natural dolomitic limestone (NDL) is employed as a heterogeneous green catalyst for the synthesis of medicinally valuable benzimidazoles, dihydropyrimidinones, and highly functionalized pyridines via C–N, C–C, and C–S bond formations in a mixture of ethan