[PDF] Top 20 An efficient method for the synthesis of novel N sulfonylimines using TBAB under solvent free conditions
Has 10000 "An efficient method for the synthesis of novel N sulfonylimines using TBAB under solvent free conditions" found on our website. Below are the top 20 most common "An efficient method for the synthesis of novel N sulfonylimines using TBAB under solvent free conditions".
An efficient method for the synthesis of novel N sulfonylimines using TBAB under solvent free conditions
... oxaziridines synthesis [8]. Several methods for the synthesis of N-sulfonylimines have been developed via the condensation of aldehyde with sulfonamide catalyzed by silica sulfate solid acid ... See full document
6
Tetrabutylammonium Bromide: An Efficient Catalyst for the Synthesis of Xanthenediones under Solvent-free Conditions
... and efficient method for the synthesis of xanthenediones from aromatic aldehydes, 5,5-dimethyl-1, 3-cyclohexane-dione and TBABas acatalyst under solvent-free ... See full document
5
Facile One Pot Synthesis of Novel Hexahydro 2 quinolinecarboxylic Acids under Solvent Free Reaction Conditions
... reaction conditions [26-34]. In this article, we report a very simple, efficient and clean syn- thetic route to 5-oxo-4-phenyl-1,4,5,6,7,8-hexahydro-2- quinolinecarboxylic acid derivatives via ... See full document
6
Green and High Efficient Synthesis of 2 Aryl Benzimidazoles: Reaction of Arylidene Malononitrile and 1,2 Phenylenediamine Derivatives in Water or Solvent Free Conditions
... but using water is the most advantageous to this method (Table 1, entries 14 - ...the synthesis of benzimidazole derivatives 3a-p were carried out through the reaction of 1,2-phenylenediamine ... See full document
8
Nano-Silica Phosphoric Acid: An Efficient Catalyst for One-Pot Synthesis of Tetrahydrobenzo[a]xanthenes-11-one Under Solvent- Free or Sonication Conditions
... the synthesis of tetrahydrobenzo[a]xanthen-11-one using nano-SPA as eco-friendly and efficient ...green conditions are advantages of these ... See full document
7
D-tartaric acid: a novel catalyst for green and efficient synthesis of 3,4-dihydropyrimidin-2(1H)-ones by Biginelli reaction under solvent-free conditions
... [3] Sabrina Okombi, Delphine Rival, Se´bastien Bonnet, Anne-Marie Mariotte,Eric Perrierb and Ahcene Boumendjel. Analogues of N-hydroxycinnamoylphen alkylamides as inhibitors of human melanocyte-tyrosinase. ... See full document
5
Vanadatesulfuric Acid-Catalyzed Novel And Eco-Benign One-Pot Synthesis Of Polyhydroquinoline Derivatives Under Solvent-Free Conditions
... A novel and green approach for efficient and rapid synthesis of biologically active polyhydroquinoline derivatives via unsymmetric Hantzsch reaction using nanorods Vanadatesulfuric acid (VSA ... See full document
10
A Mild and Efficient Method for the Synthesis of Acylals from Aromatic Aldehydes and Their Deprotections Catalyzed by Synthetic Phosphates under Solvent Free Conditions
... The structure of the obtained hydroxyapatite was confirmed by X-ray diffrac- tion, infrared spectroscopy and chemical analysis. The hydroxyapatite crystal- lized in the hexagonal system with the space group P63/m. The ... See full document
11
AN EFFICIENT PROTOCOL FOR THE SYNTHESIS OF 1,2,4 TRIAZOLO[1,5 A]PYRIMIDINES
... an efficient method for the preparation of substituted triazolopyrimidine catalyzed by dimethylformamide under neutral and solvent-free ... See full document
6
Novel Synthesis of 1,4-Dihydropyridine and Quinoline Derivatives under Microwave Irradiation in Solvent-free Conditions
... cardiovascular diseases. 8-11 In addition, the pyridine nucleus is found to be an integral part of several phosphodiesterase-4 inhibitors (PDE4) such as piclamilast, roflumilast etc that are used for the treatment of ... See full document
12
Zn[(L)-proline]2: A Novel and Recyclable Catalyst for the Synthesis of 2-Aryl-4(3H)-quinazolinones in Solvent-Free Conditions
... An efficient, solvent-free and facile synthesis of 3-aryl quinazolinones from cyclocondensation of 2-aminobenzamides with aryl aldehydes catalyzed by Zn[(L)-proline] 2 in the presence of CuCl ... See full document
6
Synthesis of Di and Trisubstituted Oxazoles in Nonionic Liquid Under Catalyst Free Conditions
... an efficient PEG-promoted solvent and catalyst free method for the synthesis of di- and trisubstituted oxazoles with good ...PEG-promoted synthesis in avoiding hazardous organic ... See full document
5
H-mordenite zeolite as an efficient, rapid and recyclable catalyst for chemoselective synthesis of 1,1-diacetates under solvent-free conditions
... benign method for the synthesis of 1,1-diacetate from acetic anhydride and various aromatic aldhydes under solvent- free condition at room temperature in presence of H-MOR zeolite as a ... See full document
10
Brønsted Acidic Ionic Liquid: An Efficient and Reusable Catalyst for the Multi-Component Synthesis of Dihydropyrimidinones under Solvent-Free Conditions
... the synthesis of these compounds is three- component condensation of an aliphatic or aromatic aldehyde, β-ketoester and ...reaction conditions have been developed in order to improve the reaction yield, ... See full document
8
A Fast and Efficient Method for the Synthesis of 1,5-Benzodiazepine Derivatives Under Solvent-Free Conditions
... As illustrated in table 1, both of the linear and cyclic ketones react with the diamines containing both electron- donating and electron-withdrawing groups on aromatic rings, without any significant difference, to give ... See full document
5
A facile and efficient ultrasound assisted chlorosulfonic acid catalyzed onepot synthesis of benzopyranopyrimidines under solvent free conditions
... Several alkaloids containing the dihydropyrimidine core unit have been isolated from marine sources, which also exhibit interesting biological properties [8]. Most notably, among these are the batzelladine alkaloids, ... See full document
7
Green synthesis of some novel n mannich bases using environmentally benign catalyst under solvent free conditions
... the synthesis of N-Mannich bases dihydropyrimidin-2 (1H)-ones (DHPMs) using Ethylene di ammonium diacetate (EDDA) as ...urea using ionic liquid. Three series of N- Mannich bases have ... See full document
7
Ionic liquid supported on magnetic nanoparticles as an efficient and reusable green catalyst for synthesis of benzimidazole derivatives under solvent and solvent-free conditions
... co-precipitation method [27]. A schematic representation of the synthesis of magnetic nanoparticles supporting ionic liquids is shown in Scheme ...stirring under N 2 ... See full document
9
An efficient and high-yielding one-pot synthesis of 1H-pyrazolo[1,2-b]phthalazine-5,10-diones catalyzed by sodium hydrogen carbonate under solvent-free conditions
... halogenated solvent or catalyst, long reaction time and using microwave irradiation for accelerated ...convenient method using a new readily available catalyst with high catalytic activity for ... See full document
6
A Simple and Efficient Procedure for a 2 Pyridones Synthesis under Solvent Free Conditions
... The various research teams around the world were and are still interested in the synthesis of 2-Pyridones (Pyri- din-2(1H)-ones). The various synthetic approaches to 2- pyridones of this type are described. Many ... See full document
8
Related subjects