144459-98-3Relevant articles and documents
Propane phosphonic acid anhydride: a new promoter for the one-pot Biginelli synthesis of 3,4-dihydropyrimidin-2(1H)-ones
Zumpe, Franz L.,Flü?, Melanie,Schmitz, Krischan,Lender, Andreas
, p. 1421 - 1423 (2007)
Propane phosphonic acid anhydride has been found to promote the Biginelli synthesis of 3,4-dihydropyrimidin-2(1H)-ones. The use of this agent is characterized by moderate costs, low toxicity and simple workup conditions.
Monolayer-protected silver nanoparticles: An efficient and versatile reagent for the synthesis of 3,4-dihydropyrimidine-2-(1H)-ones (thiones)
Sadeghi, Bahareh,Zavar, Salehe,Hassanabadi, Alireza
, p. 343 - 346 (2012)
Silver nanoparticles has been prepared and shown to efficiently catalyse the one-pot, three-component reaction of an aromatic aldehyde, urea or thiourea and a 1,3-diketone at reflux, to afford the corresponding 3,4-dihydropyrimidine- 2-(1H)-ones in high y
A green approach to synthesize dihydropyrimidinone derivatives by using anhydrous ZnCl2 catalyst under refluxing condition in heptane-toluene medium via Biginelli reaction
Akhter, Kawsari,Jahan, Khorshada,Romman,Ahmed, M. Giasuddin,Rahman, Md. Sharifur,Al-Amin
, p. 2624 - 2626 (2015)
Aldehydes, 1a-g (1a, Ar = 4-Cl-C6H4, 1b, Ar = 4-CH3-C6H4, 1c, Ar = 2-Cl-C6H4, 1d, Ar = 2-CH3-C6H4, 1e, Ar = -C6H5, Ar = 4-Cl-C6/
CoNiFe2O4@Silica-SO3H nanoparticles: New recyclable magnetic nanocatalyst for the one-pot synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones under solvent-free conditions
Karimian, Azam,Rad, Masoud Saadati,Mahdavi, Elham
, p. 1702 - 1714 (2020/09/07)
A useful and green synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones derivatives were achieved by one-pot cyclocondensation between substituted aryl aldehydes, diketone/ketoester, and urea/thiourea using magnetic CoNiFe2O4@Silica-
Synthesis and characterization of nano acid catalyst derived from rice husk silica and its application for the synthesis of 3,4-dihydropyrimidinones/thiones compounds
Davarpanah, Jamal,Sayahi, Mohammad Hosein,Ghahremani, Mahboubeh,Karkhoei, Sahar
, p. 546 - 555 (2019/01/21)
In the present work, the extraction of silica nanoparticles from the rice husk followed by the modification using an acidic ionic liquid containing imidazolium butyl sulfonic acid through a sol-gel method (RH@[SiPrImBuSO3H]Cl) has been investig
Preparation method and application of novel ionic salicylaldehyde Schiff base zirconium complex (by machine translation)
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Paragraph 0090-0091, (2019/11/20)
The invention belongs to the technical field of catalytic organic synthesis, and particularly relates to a preparation method and application of a novel ionic salicylaldehyde Schiff base zirconium complex. The cationic part is formed by coordination of zi
SnO2 nanoparticles: An efficient reusable heterogeneous catalyst for synthesis of 3,4-dihydropyrimidinones under solvent-free conditions
Priyadharsini,Chitra
, p. 243 - 248 (2018/09/14)
Some 3,4-dihydropyrimidine derivatives have been synthesized from the reaction of divergent aldehydes with acetylacetone and urea/thiourea using nano tin oxide nanoparticles under solvent-free condition. The nanoparticle catalyst used in this synthesis is
Efficient Catalytic Synthesis of 3,4-Dihydropyrimidin-2-ones/thiones via Little Acidic Ionic Liquid Combined with Rapid Heating Ways
Zhang, Guo-Ping,Tian, Da-Yu,Shi, Wang-Ming
, p. 2522 - 2531 (2018/09/29)
Catalytic synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones was efficiently promoted by as little as 2.5?mol% of Br?nsted acidic ionic liquid [(CH2)3SO3HMIM]HSO4 catalyst loading via rapid heating ways. Inter
A Cu(II) metal-organic framework with significant H2 and CO2 storage capacity and heterogeneous catalysis for the aerobic oxidative amination of C(sp3)-H bonds and Biginelli reactions
Gupta, Anoop K.,De, Dinesh,Tomar, Kapil,Bharadwaj, Parimal K.
, p. 1624 - 1634 (2018/02/09)
A Cu(ii) metal-organic framework, {[Cu2(L)(H2O)2]·(5DMF)(4H2O)}n (1), has been synthesized using an angular tetracarboxylic acid ligand (H4L) incorporating both trifluoromethyl (-CF3/
Sustainable synthetic approaches using [C16Im][Oxa] as a flexible organocatalyst and DFT studies toward 3,4-dihydropyrimidinones and benzoxazines
Y?ld?r?m, Ayhan,Kaya, Yunus
, p. 1085 - 1094 (2017/05/10)
Abstract: Easily accessible 1-hexadecyl-1H-imidazol-3-ium oxalate is highly efficient Br?nsted type acidic catalyst for the selected multicomponent one-pot reactions. The short reaction times, easy workup procedures, and green metal-free conditions for th