49593-53-5

Upstream product

• 104-87-0 4-methyl-benzaldehyde 
• 98-86-2 acetophenone 
• 57-13-6 urea 
• 100-52-7 benzaldehyde 
• 122-00-9 para-methylacetophenone 
• 123-11-5 4-methoxy-benzaldehyde 

Relevant academic research and scientific papers

Sulfonic acid-functionalized titanomagnetite nanoparticles as recyclable heterogeneous acid catalyst for one-pot solvent-free synthesis of 3,4-dihydropyrimidin-2(1H)-ones/thiones

Sulfonic acid-functionalized titanomagnetite (Fe3?xTixO4@SO3H) nanoparticles were prepared by grafting sulfonic acid groups on Fe3?xTixO4 nanoparticles. This new heterogeneous ac

Studies on Structural Changes and Catalytic Activity of Y-zeolite Composites of 1,3-disulfoimidazolium trifluoroacetate Ionic Liquid (IL) for Three Component Synthesis of 3,4-dihydropyrimidinones

Abstract: This report describes the development of six acidic composites of Y-zeolite with 1,3-disulfoimidazolium trifluoroacetate [Dsim][CF3COO] ionic liquid (IL) and displays the gradual increase of acidic IL mediated dealumination within zeo

PEG-SANM nanocomposite: A new catalytic application towards clean and highly efficient Biginelli-like reaction under solvent-free conditions

A series of pyrimidinone derivatives were efficiently synthesized using PEG-SANM nanocomposite as the solid acid nanocatalyst under mild and solvent-free conditions. The generality of the process was successfully demonstrated by variation of the starting

Fe3O4-CNTs nanocomposites: A novel and excellent catalyst in the synthesis of diarylpyrimidinones using grindstone chemistry

We investigated the possibility of developing Fe3O 4-CNTs as an efficient and recyclable catalyst for the synthesis of 4,6-diaryl-3,4-dihydropyrimidine-2(1H)-ones under solvent-free conditions via grinding. The procedure is efficient

A novel protocol for solvent-free synthesis of 4,6-diaryl-3,4- dihydropyrimidine-2(1H)-ones catalyzed by metal oxide-MWCNTs nanocomposites

A Biginelli-like condensation is described using acetophenone as active methylene compound with aldehydes and urea to furnish pyrimidinone analogues under solvent-free conditions. In this paper, besides the preparation of nanocomposites based on MWCNTs, o

MnO2-MWCNT nanocomposites as efficient catalyst in the synthesis of Biginelli-type compounds under microwave radiation

A novel Biginelli-like cyclocondensation reaction is efficiently catalyzed by MnO2-CNT nanocomposites as a new catalyst under microwave irradiation and solvent-free conditions in excellent yields. The major advantages of the present method are high yields, short reaction times and solvent-free reaction conditions, reducing reaction steps and purification of products by non-chromatographic methods. The activity, recovery and reusability of the catalyst are found to be good.

Facile Biginelli-type reactions catalysed by super acidic ionic liquid under solvent-free conditions

[MeC(OH)2]+ClO4-?as a super acidic ionic liquid is an extremely active catalyst for Biginelli-type reactions. The present method is especially effective for the inactive aliphatic aldehydes. The solvent-free conditions, high catalytic activity, wide substrates tolerance and convenient product isolation make the protocol more advantageous.

Synthesis of 3,4-dihydropyrimidin-2(1H)ones and 3,4,5,6,7,8- hexahydroquinazolin-2(1H)-ones via three component cyclocondensation

3,4 Dihydropyrimidin-2(1H)-ones and 3,4,5,6,7,8-hexahydroquinazolin-2(1H)- ones have been synthesized from the condensation of ketones, aldehydes and urea/thiourea in the presence of sodium tertiary butoxide by the solventless microwave irradiation (MWI)

New three-component cyclocondensation reaction: microwave-assisted one-pot synthesis of 5-unsubstituted-3,4-dihydropyrimidin-2(1H)-ones under solvent-free conditions

Sixteen 5-unsubstituted-3,4-dihydropyrimidin-2(1H)-ones have been synthesized by microwave-assisted Biginelli reactions in a short and concise manner employing ZnI2 as a catalyst under solvent-free conditions. All products were identified by IR

Aluminium(III) halides mediated synthesis of 5-unsustituted 3,4-dihydropyrimidin-2(1H)-ones via three component Biginelli-like reaction

5-Unsubstituted-3,4-dihydropyrimidin-2(1H)-ones have been synthesized in excellent yields in a aluminium(III) halides mediated three component cycloaddition of aldehyde, urea and enolizable ketone.