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کلمات کلیدی: [2


موارد یافت شده: 58

1 - Domino protocol for the synthesis of diversely functionalized derivatives of a novel fused pentacyclic antioxidant/anticancer fluorescent scaffold: Pyrazolo[5'',1'':2',3']pyrimido[4',5':5,6][1,4]thiazino[2,3-b]quinoxaline (چکیده)
2 - MOF-199 as an Efficient Metal Organic Framework Catalyst for the Synthesis of Spiro[Indoline-3,4′-Pyrano[2,3- c ]Pyrazole] Derivatives (چکیده)
3 - Efficient and green synthesis of novel hexahydro-5H-thiazolo[2',3':2,3]pyrimido[4,5-b]quinoline derivatives (چکیده)
4 - Efficient synthesis of novel chromenopyrido[3,2-e]isothiazolo[2,3-a]pyrimidines via a non-catalytic one-pot three-component reaction (چکیده)
5 - Synthesis of novel trifluoro methylated imidazothiadiazole derivatives via one-pot isocyanide-based three-component reaction under catalyst and solvent-free conditions (چکیده)
6 - 1-Disulfo-[2,2-bipyridine]-1,1-diium chloride ionic liquid as an efficient catalyst for the green synthesis of 5-substituted 1H-tetrazoles (چکیده)
7 - Organobase-catalyzed one-pot three-component synthesis of novel pyrano[2,3-d][1,3]thiazolo[3,2-a]pyrimidine derivatives (چکیده)
8 - SO3H‐functionalized nano‐MGO‐D‐NH2: Synthesis, characterization and application for one‐pot synthesis of pyrano[2,3‐d]pyrimidinone and tetrahydrobenzo[b]pyran derivatives in aqueous media (چکیده)
9 - An efficient diastereoselective synthesis of novel fused 5H-furo[2,3-d]thiazolo[3,2-a]pyrimidin-5-ones via one-pot three-component reaction (چکیده)
10 - Ecofriendly and Facile One‐Pot Multicomponent Synthesis of 5‐Phenyl‐5,10‐dihydropyrido[2,3‐d : 6,5‐d′]dipyrimidine‐2,4,6,8(1H,3H,7H,9H)‐tetraone Derivatives Catalyzed by CuII Immobilized on Functionalized Magnetic Mesoporous MCM‐41 (Fe3O4@MCM‐41‐GPTMS‐Gu‐CuII) (چکیده)
11 - One-pot, catalyst-free synthesis of novel spiro[indole-3,4′-pyrano[2′,3′:4,5]pyrimido [2,1-b][1,3]benzothiazole] derivatives (چکیده)
12 - Nano silica extracted from horsetail plant as a natural silica support for the synthesis of H3PW12O40 immobilized on aminated magnetic nanoparticles (Fe3O4@SiO2-EP-NH-HPA): a novel and efficient heterogeneous nanocatalyst for the green one-pot synthesis of pyrano[2,3-c]pyrazole derivatives (چکیده)
13 - Chemoselective synthesis of drug-like pyrrolo[2,3,4-kl]acridin-1-one using Polyoxometalate@Lanthanoid catalyst (چکیده)
14 - Regioselective synthesis of new 5H,10H-dipyrimido[2,1-b:4\\\',5\\\'-d][1,3]thiazine as a novel heterocyclic system (چکیده)
15 - Synthesis and characterization of novel 4-(1-(pyrimidin-4-yl)ethyl)-12H-pyrimido[4\\\',5\\\':5,6][1,4]thiazino[2,3-b]quinoxaline derivatives (چکیده)
16 - A simple and efficient synthesis of novel pyranothiadiazolopyrimidine derivatives by three component reactions in solvent-free conditions (چکیده)
17 - Synthesis of Pyrazolo‐[4́,3́:5,6]pyrido[2,3‐d]pyrimidine‐diones Catalyzed by a Nano‐sized Surface‐Grafted Neodymium Complex of the Tungstosilicate via Multicomponent Reaction (چکیده)
18 - Regioselective synthesis of new 5H,10H-dipyrimido[2,1-b:4′,5′-d][1,3]thiazine: a combined experimental and computational study (چکیده)
19 - A One-Pot Procedure for the Synthesis of Highly Functionalized Derivatives of a Novel Five-Cyclic Scaffold: Pyrazolo[ 5\'\',1\'\':2\',3\']pyrimido[4\',5\':5,6][1,4]thiazino[2,3-b]quinoxaline (چکیده)
20 - A New Multicomponent Synthetic Route to Hexahydropyrido[2,3‐d]pyrimidine Derivatives (چکیده)
21 - Selenopheno[2,3-e][1,2,4]triazolo[4,3-c]pyrimidine: A novel tricyclic selenium containing heterocyclic system (چکیده)
22 - Synthesis and Antioxidant Evaluation of Quinoxalino[2′,3′:5,6][1,3,4]thiadiazino[2,3-b]quinazolin-15-ones: Derivatives of a Novel Ring System (چکیده)
23 - Convenient one-pot access to Novel Densely Functionalized Pyrano[2,3-d][1,3,4]Thiadiazolo[3,2- a]Pyrimidines via Three Component Reaction (چکیده)
24 - Synthesis of pyrimido [4′,5′:5,6] [1,4] dithiepino [2,3- b] quinoxalines: Derivatives of a novel seven membered ring system (چکیده)
25 - One-pot three component isocyanide-based reaction: Synthesis of novel tetracyclic fused furo[20,30:4,5]pyrimido[2,1-b][1,3] benzothiazole (چکیده)
26 - Using magnetized water as a solvent for a green, catalyst-free, and efficient protocol for the synthesis of pyrano[2,3-c]pyrazoles and pyrano[40,30:5,6]pyrazolo [2,3-d]pyrimidines (چکیده)
27 - Silica-coated magnetic NiFe2O4 nanoparticlessupported H3PW12O40; synthesis, preparation, and application as an efficient, magnetic, green catalyst for one-pot synthesis of tetrahydrobenzo[b]pyran and pyrano[2,3-c]pyrazole derivatives (چکیده)
28 - Synthesis of new derivatives of 5-amino-9H-pyrrolo[2,3-e][1,2,4]triazolo[4,3c]pyrimidine via Leimgruber and Batcho indole synthesis (چکیده)
29 - One-pot, Procedure for the Preparation of some Thiazino[2,3-b]quinoxaline Derivatives (چکیده)
30 - Synthesis of Thiazino[2,3-b]quinoxaline as a New Heterocyclic System (چکیده)
31 - Synthesis of Novel Imidazo[2,1-b]pyrimido[5,4-e][1,3,4]thiadiazines (چکیده)
32 - Synthesis of new derivatives of 2-Substitueted 4-(4-methyl-12Hpyrimido[4,5:5,6][1,4]thiazino[2,3-b]quinoxalin-2-yl) (چکیده)
33 - Piperazine immobilized on silica gel as an inexpensive and recyclable catalyst for synthesis of 2-amino-2H-chromenes (چکیده)
34 - Synthesis of new pyrimido[4,5-d]pyrimidin-4(1H)-one derivatives in the presence of ferric hydrogensulfate (چکیده)
35 - Synthesis of new derivatives ofdipyrimido[4,5-b:5,4-e][1,4]thiazine and their enzyme inhibitory activity assessment on soybean 15-lipoxygenase (چکیده)
36 - Nano-spinel catalyzed reduction of imines to amines by sodium borohydride (چکیده)
37 - Synthesis of new derivatives of pyrimido[4,5-c] pyridazine (چکیده)
38 - A facile approach for the synthesis of new derivatives of pyrazolo[4,3-e][1,2,4]triazolo[4,3-c]pyrimidine (چکیده)
39 - A novel synthesis of 1-aroyl-2-oxo-1,11-dihydro-2H-pyrimido[2,1-a] isoquinoline (چکیده)
40 - Oxido[2-{(E)-[((1E)-{(E)-2-[1-(2-oxidophenyl)ethylidene]hydrazin-1-ylidene}-(prop-2-en-1-ylsulfanyl)methyl)imino]-methyl}phenolato]vanadium(IV) (چکیده)
41 - [2-(1-{2-[Azanidyl(ethylsulfanyl)methylidene-kN]hydrazin-1-ylidene-kN1}ethyl)-phenolato-kO](dimethylsulfoxide-kO)-dioxidomolybdenum(VI) (چکیده)
42 - New Synthesis of Tetraalkyl 2,3-Dihydro-5- oxopyrrolo[2,1-a]isoindole-1,2,3,3-tetracarboxylates and Tetraalkyl 2,3-Dihydro-5-oxopyrrolo[2,1-a]- pyrrolidine-1,2,3,3-tetracarboxylates Mediated by Vinyltriphenylphosphonium Salts (چکیده)
43 - One-Pot, Three-Component Chemoselective Reaction of Isoquinolines, Dialkyl Acetylenedicarboxylates, and α-Ketolactones: An Unexpected Participation of an Ester Carbonyl Group in the 1,4-Dipolar Cycloaddition Reaction (چکیده)
44 - A Facile One-Pot Synthesis of Functionalized 1,5-Dihydro-2H- [1]benzopyrano[2,3-b]pyridin-5-ones (چکیده)
45 - An efficient diastereoselective synthesis of spiro pyrido[2,1-b][1,3]oxazines via a novel pyridine-based three-component reaction (چکیده)
46 - Synthesis of Two New Heterocyclic Systems: Furo[3-,2-:5,6]pyrimido[2,1-c][1,2,4]triazines and Furo[3,2-e][1,2,3,4]tetrazolo[1,5-a]pyrimidine (چکیده)
47 - Evaluation of 6-amino-5-cyano-3-methyl-1,4-diphenyl-1,4-dihydropyrano[2,3-c]pyrazole as an orally drug in treatment of cadmium toxicity of rats as biological model (چکیده)
48 - Synthesis of novel furo[3',2':5,6]pyrimido[2,1-c][1,2,4]triazines and furo[3,2-e][1,2,3,4]tetrazolo[1,5-a]pyrimidine (چکیده)
49 - New heat stable polyethers, polyketones and polysulfones (چکیده)
50 - Iodine catalysed synthesis and antibacterial evaluation of thieno-[2,3-d]pyrimidine derivatives (چکیده)
51 - Synthesis and Cross-linking ofPoly(ether-ketone)s, andPoly(ether-ketone-sulphone)s with PendantNitrile Groups (II (چکیده)
52 - Synthesis and Study of Thermal Properties of New Heat StablePoly(ether-ketone)s and Poly(ether-ketone-sulphone)s (چکیده)
53 - Synthesis of Novel 3,6-disubstituted furo[2,3-d]pyrimidine (چکیده)
54 - One-pot synthesis of substituted 2-amino-3-furonitriles (چکیده)
55 - Synthesis of some new 2-arylthieno[2,3-d]pyrimidin-4(3H)-one derivatives (چکیده)
56 - Isolation of Intermediates in the Synthesis of Thieno[2,3-d]pyrimidine-2,4(1H,3H)-diones Using Microwave Irradiation (چکیده)
57 - Synthesis of dibenzo[b,g][1,5]diazoninedione and isoindolo[2,1-a]quinazoline derivatives (چکیده)
58 - Structure and vibrational assignment of the enol form of 1,1,1-trifluoro-2,4-pentanedione (چکیده)