scholarly journals Microwave Assisted Solvent Free Synthesis of Azomethines from Aryl Aldehydes on Melamin Formaldehyde as Solid Support

2011 ◽  
Vol 8 (3) ◽  
pp. 1142-1145 ◽  
Author(s):  
Ramin Rezaei ◽  
Mohammad K. Mohammadi ◽  
Tahereh Ranjbar
Keyword(s):  
Microwave Irradiation ◽  
Hydroxylamine Hydrochloride ◽  
Solid Support ◽  
Solvent Free ◽  
Melamine Formaldehyde ◽  
One Pot ◽  
Aryl Aldehydes ◽  
Microwave Assisted ◽  
High Yields ◽  
Solvent Free Synthesis

Various aryl aldehydes underwent prompt one pot conversion into the corresponding azomethines in high yields by reacting with hydroxylamine hydrochloride supported on melamine formaldehyde under microwave irradiation.

A One-Pot, Three-Component, Solvent-Free Synthesis of Novel 6H-Chromeno[3’,4’:5,6]Pyrido[2,3-d]Pyrimidine-Triones under Microwave Irradiation

2018 ◽  
Vol 42 (12) ◽  
pp. 604-607
Author(s):  
Loghman Firoozpour ◽  
Hoda Yahyavi ◽  
Ramona Ejtemaei ◽  
Setareh Moghimi ◽  
Alireza Foroumadi
Keyword(s):  
Microwave Irradiation ◽  
Efficient Method ◽  
Barbituric Acid ◽  
Reaction Times ◽  
Solvent Free ◽  
One Pot ◽  
Solvent Free Conditions ◽  
Substituted Benzaldehydes ◽  
High Yields ◽  
Solvent Free Synthesis

A green and efficient method for preparing novel heterocyclic systems is established through the reaction of differently substituted benzaldehydes, barbituric acid and 4-amino-2H-chromene-2-one under solvent-free conditions. This method affords 6H-chromeno[3’,4’:5,6] pyrido[2,3-d]pyrimidine-trione derivatives in high yields and short reaction times.

scholarly journals Microwave-Assisted Solvent Free Synthesis of Spiro-Indole Derivative

1970 ◽  
Vol 24 ◽  
pp. 49-52 ◽  
Author(s):  
A D Mishra
Keyword(s):  
Microwave Irradiation ◽  
Chemical Society ◽  
Solvent Free ◽  
Phase Method ◽  
Indole Derivatives ◽  
Microwave Assisted ◽  
Synthetic Procedure ◽  
High Yields ◽  
Solution Phase Method ◽  
Solvent Free Synthesis

A solid supported synthetic procedure has been developed for the synthesis of novel spiro indole derivatives using solid support as energy transfer medium under microwave irradiation (MWI). The results were compared with those obtained by the classical as well as solution phase method in MWI. This solvent-free technique coupled with the high yields and short reaction time makes this procedure eco-friendly for synthesis.  Keywords: Spiro indoles; Microwave irradiation; 1HNMR; IRDOI: 10.3126/jncs.v24i0.2391 Journal of Nepal Chemical Society Vol. 24, 2009 Page: 49-52  

An efficient solvent-free synthesis of isoxazolyl-1,4-dihydropyridines on solid support SiO2 under microwave irradiation

2016 ◽  
Vol 147 (9) ◽  
pp. 1605-1614 ◽  
Author(s):  
Dawei Zhang ◽  
Xiaodong Chen ◽  
Xue Guo ◽  
Yumin Zhang ◽  
Yaya Hou ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Solid Support ◽  
Solvent Free ◽  
Solvent Free Synthesis

scholarly journals Solvent-free Synthesis of Nitriles from Aldehydes Catalyzed by KF/Al2O3, Montmorillonite KSF and K10

2006 ◽  
Vol 3 (3) ◽  
pp. 164-168
Author(s):  
Li-Jun Li ◽  
Ying-Xia Song ◽  
Yan-Su Gao ◽  
Yan-Feng Li ◽  
Jian-Feng Zhang
Keyword(s):  
Microwave Irradiation ◽  
Solvent Free ◽  
One Pot ◽  
Effective Catalyst ◽  
Multistep Procedure ◽  
Solvent Free Synthesis

Multistep and one-pot conversion of aldehydes to nitriles were carried out conveniently with out solvent using KF/Al2O3, montmorillonite KSF and K10 as catalyst, under microwave irradiation. The reactions are completed within 6-8 min to give satisfactory yields. KF/Al2O3was more effective catalyst both in multistep procedure and one-pot reaction.

Microwave-assisted palladium mediated efficient synthesis of pyrazolo[3,4-b]pyridines, pyrazolo[3,4-b]quinolines, pyrazolo[1,5-a]pyrimidines and pyrazolo[1,5-a]quinazolines

RSC Advances ◽  
2014 ◽  
Vol 4 (46) ◽  
pp. 24001-24006 ◽  
Author(s):  
Kommuri Shekarrao ◽  
Partha Pratim Kaishap ◽  
Venkateshwarlu Saddanapu ◽  
Anthony Addlagatta ◽  
Sanjib Gogoi ◽  
...  
Keyword(s):  
Microwave Irradiation ◽  
Efficient Method ◽  
Solvent Free ◽  
Efficient Synthesis ◽  
Aryl Aldehydes ◽  
Microwave Assisted ◽  
Fused Heterocycles ◽  
Palladium Catalyzed ◽  
Solvent Free Reaction

An efficient method was developed for the synthesis of pyrazole fused heterocycles via the palladium-catalyzed solvent free reaction of β-halovinyl/aryl aldehydes and 3-aminopyrazoles/5-aminopyrazoles under microwave irradiation in good yields.

scholarly journals A Facile One-Pot Solvent-Free Synthesis of 1,2-Dihydro-1-arylnaphtho[1,2-e][1,3]oxazine-3-ones Catalyzed by Wet Cyanuric Chloride

2013 ◽  
Vol 2013 ◽  
pp. 1-4 ◽  
Author(s):  
Firouzeh Nemati ◽  
Azam Beyzai
Keyword(s):  
Organic Solvent ◽  
Simple Procedure ◽  
Reaction Times ◽  
Solvent Free ◽  
Cyanuric Chloride ◽  
One Pot ◽  
Free Condition ◽  
Solvent Free Condition ◽  
High Yields ◽  
Solvent Free Synthesis

A novel one-pot synthesis of 1,2-dihydro-1-arylnaphtho[1,2-e][1,3]oxazine-3-ones by condensation of a variety of aldehydes withβ-naphthol and urea or thiourea in the presence of wet cyanuric chloride under solvent-free condition has been described. High yields, simple procedure, easy workup, short reaction times, and avoiding the use of organic solvent are the advantages of this green methodology.

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