Catalyst-Free
Efficient Solvent and Catalyst Free Syntheses of Imine Derivatives Applying the Pressure Reduction Technique: Remarkable Change of the Reaction Rate with the Phase Transition
... and Catalyst-Free Syntheses of Imine Derivatives Applying the Pressure Reduction Technique: Re- markable Change of the Reaction Rate with the Phase ...
13
Simple Grinding, Catalyst-free, One-Pot, Three-Component Synthesis of Polysubstituted Amino Pyrazole
... a catalyst-free fashion with high selectivity and atom ...of catalyst-free reactions, namely Knoevenagel reaction, Michael-type reaction, ring closure, and subsequent aromatization, in one pot ...
6
Epitaxial Catalyst Free Growth of InN Nanorods onc Plane Sapphire
... of catalyst-free hydride vapor phase epitaxy growth of InN ...Comparing catalyst-free with Ni-catalyzed growth, the only difference observed is in the density of nucleation sites, suggesting ...
6
Synthesis of Di and Trisubstituted Oxazoles in Nonionic Liquid Under Catalyst Free Conditions
... Catalyst free synthetic method was developed for di and tri substituted oxazoles from α -haloketones and urea/phenyl urea in Nonionic liquid like PEG ...
5
Perfect Solvent and Catalyst Free Syntheses of Imine Derivatives Using the Pressure Reduction Technique
... and Catalyst-Free Syntheses of Imine Derivatives Applying the Pressure Re- duction Technique: Remarkable Change of the Reaction Rate with the Phase Tran- ...
14
Solvent and Catalyst Free Microwave Assisted Decarboxylation of Malonic Acid Derivatives
... It has been found that microwave assisted decarboxylation of malonic acid derivatives can be achieved under solvent-free and catalyst free conditions. This new method produces the corresponding ...
11
Catalyst-free plasma enhanced growth of graphene from sustainable sources
... green catalyst-free low temperature plasma- enabled production method is an important step towards environmentally-sustainable fabrication of good quality large area graphene ...
18
Novel procedure for preparation of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition
... PEG, (polyethylene glycol), is known to be inexpensive, thermally stable, recoverable, biological compatible, and non-toxic [19]. Their potential as reaction media and promotor for organic reaction has attracted the ...
6
A Novel protocol for synthesis of Hantzsch 1, 4- dihydropyridines using PEG-400 as a reaction medium and under catalyst-free condition
... PEG, (polyethylene glycol), is known to be inexpensive, thermally stable, recoverable, biological compatible, and non-toxic [19]. Their potential as reaction media and promotor for organic reaction has attracted the ...
7
Rapid, Catalyst-free and Diastereoselective Synthesis of 3-hydroxy-2-oxindole Scaffolds under Microwave Irradiation in Aqueous Reaction Media
... assisted, catalyst-free method for rapid synthesis of 3- thiazolidinedione subsitituted, 3-hydroxy-2-oxindole framework using ...efficient, catalyst and column ...
10
A catalyst free growth of aluminum doped ZnO nanorods by thermal evaporation
... Zinc oxide (ZnO) is an interesting and a well-known wide band gap II-VI semiconductor with a direct band gap of approximately 3.3 eV with large exciton binding energy (60 eV). The immense excitement in this area of ...
10
A practical and catalyst free trifluoroethylation reaction of amines using trifluoroacetic acid
... Amines are a fundamentally important class of biologically active compounds and the ability to manipulate their physicochemical properties through the introduction of fluorine is of paramount importance in medicinal ...
9
Synthesis, Optimization and Evaluation of Substituted Quinolines by Solvent and Catalyst Free Conditions as a Green Protocol
... A straightforward, exceedingly and environmentally method for the synthesis of quinolines have been developed by solvent free and catalyst free conditions as a green protocol. This method avoids ...
13
Seed/catalyst free growth of zinc oxide nanostructures on multilayer graphene by thermal evaporation
... The 1D zinc oxide (ZnO) semiconducting nanostruc- tures are considered to be important multifunctional building blocks for fabricating various nanodevices [21,22]. Since graphene is an excellent conductor and transparent ...
7
Solvent free and Catalyst free Synthesis of Octahydroquinazolinone Via Grindstone Chemistry: A Total Green Approach
... Octahydroquinazolinone is a heterocyclic compound of immense importance in the field of medicinal and pharmaceutical chemistry. Although a large number of methods are reported in literature for synthesis of ...
5
Seedless and catalyst-free growth of zinc oxide nanostructures on graphene by thermal evaporation
... Metal-oxide, namely zinc oxide (ZnO) nanostructures and thin films on graphene is interesting because these structures can offer additional functionality to graphene for realizing advanced electronic and optoelectronic ...
38
An eco-friendly and highly efficient route for N-acylation under catalyst-free conditions.
... For this reason and after referring to table 1, we decide to use the solvent who showed the best results; water. We treated sulfonamide (1mmol) in water with acetic anhydride in the absence of any catalyst (scheme ...
7
Expeditious Synthesis and Spectroscopic Characterization of 2-Methyl-3-Substituted-Quinazolin-4(3H)-one Derivatives
... The catalyst- free synthesis was successful achieved by careful reaction optimization study using solvent choice and reaction temperature variability as key ...
13
Photocatalytic properties of zinc oxide nanostructures synthesized using synergistic pulse laser ablation and hydrothermal methods
... Chapter 4 presents detailed results, analysis and discussion. Findings from two different synthesis methods such as hydrothermal and PLAL-H are evaluated in terms of optimization of growth conditions to produce various ...
66
The Application of Novel Donor Acceptor Cyclopropanes in the Synthesis of Linearly Fused Tricyclic Triazoles
... The alkyne substrate 4-6 was subjected to conditions previously used with DA cyclopropane hemimalonates and azide as the nucleophile. 2 To our delight DA cyclopropane 4-6 underwent the predicted ring-opening and ...
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