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کلمات کلیدی: Solvent


موارد یافت شده: 51

1 - Preparation of Nano-Size Al-Promoted Sulfated Zirconia and the Impact of Calcination Temperature on Its Catalytic Activity (چکیده)
2 - Natural kaolin supported sulfuric acid as an efficient catalyst for the preparation of 1, 1-diacetates under solvent-free conditions (چکیده)
3 - Green synthesis of thiiranes from oxiranes under solvent- and catalystfree conditions (چکیده)
4 - Preparation of novel nano-catalyst Sr/S-ZrO2 by solvent Free method and investigating the catalytic activity in esterification reaction (چکیده)
5 - Comparison between the activity of nano-catalysts of Al-promoted and pure sulfated ziconia and optimization of condition in esterification of oleic acid (چکیده)
6 - Polarographic study of mercury complexes with some recently synthesized benzo-substituted macrocyclic diamides in binary acetonitrile + water mixtures (چکیده)
7 - P2O5/SiO2 as catalysts for the preparation of 1,1-diacetates under solvent free conditions (چکیده)
8 - Effects of Organic Solvents on Electrochemical Generation of Mercury Cold Vapor (چکیده)
9 - Electrochemical hydride generation of Sb(III) and Sb(V) in nonaqueous media (چکیده)
10 - Influence of organic solvents on chemical hydride generation of antimony (چکیده)
11 - thermodynamic behavior of compleation process between 4-nitrobenzo-15-crown-6 with Y3+ cation in some pure and binary mixed non-aqueous solvents (چکیده)
12 - study of complexation of kryptofix 222 with La3+ cation in binary mixed non - aqueous solvents using conductometric method . (چکیده)
13 - study of complexation of kryptofix5 with La3+ cation in some binary mixed non - aqueous solvents (چکیده)
14 - complexing ability of krptofix 22DD with La3+ cation in some binary mixed non-aqueous solvents (چکیده)
15 - complexing ability of krptofix5 with Cd2+ cation in some binary mixed non-aqueous solvents (چکیده)
16 - Complexing ability of kryptofix 22DD with yttrium (ш) cation in some binary mixed non-aqueous solvents (چکیده)
17 - Complexing ability of kryptofix5 with Ag+ cation in some binary mixed non-aqueous solvents (چکیده)
18 - A conductometric study of complexation reaction between dibenzo-24-crown-8 with yttrium cation in some binary mixed non-aqueous solvents (چکیده)
19 - Surfactant-Extraction Method (چکیده)
20 - Influence of solvent and temperature upon complexation between 4’-nitrobenzo-15-crown-5 and Y3+ cation in some organic solvents and their binary solutions (چکیده)
21 - Thermodynamic Study of Complex Formation Between Benzo-15-Crown-5 and phenylaza-15-crown-5 with La3+ Cation in Different Non-aqueous Binary Solutions (چکیده)
22 - A Polarographic Study of Tl+, Pb2+ and Cd2+ Complexes with Aza-18-crown-6 and Dibenzopyridino-18-crown-6 in some Binary Mixed Non-aqueous Solvents (چکیده)
23 - Improvement in electrochemical hydride generation atomic absorption spectrometric determination of thallium by organic solvents (چکیده)
24 - Investigation of the effects of organic solvents on chemical and electrochemical Hydride generation of As ‎‎(III) & As (IV)‎ (چکیده)
25 - 1,3dibromo-5,5-dimethylhydantoin as an efficient homogeneous catalyst for the synthesis of 2-arylthiazolines and 2-arylimidazolines (چکیده)
26 - IMMEDIATE AND HIGH YIELDING SOLVENT-FREE OXIDATION OF SILYL AND PYRANYL ETHERS TO THEIR CORRESPOUNDING CARBONYL COMPOUNDS WITH ZINC DICHROMATE TRIHYDRATE : ZnCr2O7·3H2O (چکیده)
27 - ZINC CHLOROCHROMATE NONAHYDRATE [Zn(ClCrO3)2.9H2O] IS A (چکیده)
28 - 1,3Dibromo-5,5-dimethylhydantoin or N-bromosuccinimide as efficient reagents for chemoselective deprotection of 1,1-diacetates under solvent-free conditions (چکیده)
29 - stereoselective Aminomethylation of m-Cresol with Chiral Amine Medioated by 4A Molecular ieves nder Neat Conditions (چکیده)
30 - High Yielding Oxidative Deprotection of Silyl and Pyranyl Ethers to Their Corresponding Carbonyl Compounds with Strontium Manganate in the Presence of Aluminium Chloride in Solution and Under Solvent-Free Conditions (چکیده)
31 - Synthesis of Isobenzofuran-1(3H)-ones with the Aid of Silica-Supported Preyssler Nanoparticles (چکیده)
32 - Evaluation of Electrochemical Reduction of Chloroform by Drop ‎Mercury Electrode (چکیده)
33 - Lanthanum nitrate hexahydrate (La(NOB3B)B3B.6HB2BO). An efficient and highlyselective catalyst for solventless acetylation of alcohols and phenols with acetyl chloride (چکیده)
34 - Study of complex formation between 18-crown-6 and diaza-18-crown-6 with uranyl cation (UO2+) in some binary mixed aqueous and non-aqueous solvents (چکیده)
35 - 1-(1H-1,3-Benzimidazol-2-yl)guanidinium dihydrogendodecamolybdophosphate-methanol-water(1/2.5/4) (چکیده)
36 - Study of Complex Formation Between Diaza-15-Crown-5with Uranyl Cation in Some Binary MixedAqueous and Non-Aqueous Solvents (چکیده)
37 - Thermodynamic study of complex formation between dibenzo-18-crown-6 and UO2+ cation in different non-aqueous binary solutions (چکیده)
38 - Conformation and vibrational spectra and assignment of 2-thenoyltrifluoroacetone (چکیده)
39 - Ferric hydrogensulfate catalyzed aerobic oxidative coupling of 2-naphthols in water or under solvent free conditions (چکیده)
40 - N,N’,N’’,N’’’-tetramethyltetra-2,3-pyridinoporphyrazinato copper(II) as a new catalyst in solvent-free tetrahydrotetrahydropyranylation(THP) of alcohols and phenols (چکیده)
41 - Selective and Convenient Protection of Aldehydes as Azines under Solvent‐Free Conditions (چکیده)
42 - Selective monotetrahydropyranylation of symmetrical diols using P2O5/SiO2 under solvent-free conditions and their depyranylation (چکیده)
43 - Ferric Hydrogensulfate Catalysed Schmidt Reaction of Ketones to Amides under Solvent‐Free Conditions (چکیده)
44 - Silica sulfuric acid as a reusable catalyst for the conversion of ketones into amides by a Schmidt reaction under solvent-free conditions (چکیده)
45 - Regioselective Synthesis of E-Oximes Catalyzed by Ferric Chloride under Solvent Free Conditions (چکیده)
46 - Zn(OAc)2 / Podand Catalyzed Ring Opening of Epoxides By Aromatic Amines under Solvent-Free Conditions (چکیده)
47 - Preparation of 1,5‐Fused Tetrazoles Under Solvent‐Free Conditions (چکیده)
48 - A New Application of Hexamethylenetetramine‐Bromine Supported onto Wet Alumina as an Efficient Reagent for Cleavage of Phenylhydrazones under Classical Heating and Microwave Irradiation (چکیده)
49 - Regioselective Synthesis of Z-Aldoximes catalyzed by H3PMo12O40 Under Solvent-free conditions (چکیده)
50 - Effect of solvent on competitive bulk membrane transport of transition and post transition metal cations Using Decyl-18-crown-6 (چکیده)
51 - Study of Complexation Reactions Between Alkali and Alkaline- Earth Metal Cations with Dibenzo-18-Crown-6(DB18C6) in Mixed Nonaqueous Solvents Using the Conductometry Method (چکیده)