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chemistry, organic (48) 48
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The Journal of Organic Chemistry, ISSN 0022-3263, 12/2018, Volume 83, Issue 24, pp. 15493 - 15498
o-Nitrosobenzaldehyde is a reactive intermediate useful in the synthesis of nitrogen heterocycles. Previous strategies for using o-nitrosobenzaldehyde involve... 
RECEPTOR ANTAGONISTS | PROTECTING GROUP | 2H-INDAZOLES | BIOLOGICAL EVALUATION | CHEMISTRY | CHEMISTRY, ORGANIC | REACTION-MECHANISMS | CYCLIZATION
Journal Article
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, ISSN 0002-7863, 05/2017, Volume 139, Issue 20, pp. 6839 - 6842
A small-ring phosphacycle, 1,2,2,3,4,4-hexamethylphosphetane, is found to catalyze deoxygenative N-N bond-forming Cadogan heterocyclization of... 
PHOSPHORUS | WITTIG REACTION | APPEL REACTION | ESTERS | REACTIVITY | ORGANOPHOSPHORUS CATALYSIS | PHOSPHINE OXIDE REDUCTION | CHEMISTRY, MULTIDISCIPLINARY | 2H-INDAZOLE DERIVATIVES | CYCLIZATION | CARBOXYLIC-ACIDS
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 2012, Volume 53, Issue 6, pp. 620 - 622
Ionic diamine rhodium complexes catalyze the reductive N-heterocyclization of N-(2-nitroarylidene)amines under carbon monoxide to afford the corresponding 2... 
Heterocycles | Rhodium | 2 H-Indazole | Reductive N-heterocyclization | 2H-Indazole | HYDROAMINOMETHYLATION | ROUTE | NITROCOMPOUNDS | CHEMISTRY, ORGANIC | NITROARENES | CARBONYLATION | CARBON-MONOXIDE | AMINES | DEOXYGENATION | 2H-INDAZOLE DERIVATIVES | Amines | Tetrahedrons | Diamines | Carbon monoxide
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 06/2018, Volume 59, Issue 23, pp. 2284 - 2287
[Display omitted] •Annulation of azobenzenes with α- carbonyl sulfoxonium ylides.•Features with excellent yields and good functional group... 
2H-indazoles | Rhodium-catalyzed | Sulfoxonium ylides | BOND FUNCTIONALIZATION | AMIDATION | CHEMISTRY, ORGANIC | 1H-INDAZOLES | C-H ACTIVATION | AZOXY COMPOUNDS | INHIBITORS | 4+1 ANNULATION | CYCLIZATION | ACCESS
Journal Article
CANADIAN JOURNAL OF CHEMISTRY, ISSN 0008-4042, 04/2019, Volume 97, Issue 4, pp. 303 - 309
An efficient and straightforward protocol for direct synthesis of 2H-indazoles is achieved from consecutive condensation of 2-halobenzaldehydes, primary... 
SODIUM-AZIDE | Cu/C | 2H-indazole derivatives | EFFICIENT SYNTHESIS | 1,2,3-TRIAZOLE DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY | heterogeneous catalyst | MILD | MANNICH REACTION | CLICK APPROACH | LARIAT ETHERS | BIOLOGICAL EVALUATION | consecutive condensation reaction | multicomponent reaction | REDUCTIVE CYCLIZATION | Nanoparticles | Copper
Journal Article
Synlett, ISSN 0936-5214, 11/2019, Volume 31, Issue 1, pp. 77 - 82
Abstract An efficient rhodium-catalyzed regioselective C–H allylation of N , N -diisopropylcarbamoyl indazoles with allylic carbonates as allylating agents has... 
letter | indazoles | regioselectivity | FUNCTIONALIZATION | C-H activation | C7-FUNCTIONALIZATION | CHEMISTRY, ORGANIC | 2H-INDAZOLE | allylation | rhodium catalysis | N-HETEROCYCLES
Journal Article
The Journal of Organic Chemistry, ISSN 0022-3263, 05/2016, Volume 81, Issue 9, pp. 3585 - 3596
In this study, we describe the intramolecular Baeyer–Villiger oxidation of ketones to esters using N-oxide.... 
HETEROCYCLES | SOLID-PHASE SYNTHESIS | 2H-INDAZOLE 1-OXIDES | ARYLATION | BIOLOGICAL EVALUATION | EFFICIENT SYNTHESIS | CHEMISTRY, ORGANIC | NONSTEROIDAL ANTIINFLAMMATORY AGENTS | DERIVATIVES | ANTIPYRETIC ACTIVITY
Journal Article
Ultrasonics - Sonochemistry, ISSN 1350-4177, 01/2017, Volume 34, pp. 865 - 872
[Display omitted] •Ultrasound promoted facile three-component procedure to access 2H-indazoles.•Under ultrasonic irradiation, the yields dramatically... 
Heterogeneous nano-catalyst | One-pot three component | 2H-Indazole | Ultrasound | Tetrabutylammonium azide (TBAA) | Copper | Silica
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 11/2012, Volume 53, Issue 48, pp. 6475 - 6478
The Davis–Beirut reaction, which provides an efficient synthesis of 2H-indazoles and, subsequently, indazolones, is shown to proceed rapidly from... 
Catalysis | o-Nitrosobenzaldehyde | 2H-Indazole | Mechanism | Davis–Beirut reaction | Davis-Beirut reaction | ROUTE | CHEMISTRY, ORGANIC | 2H-indazole | catalysis | o-nitrosobenzaldehyde | mechanism
Journal Article
Chemistry Letters, ISSN 0366-7022, 8/2016, Volume 45, Issue 8, pp. 988 - 990
A ruthenium-catalyzed reaction of alkene-tethered isoxazol-5(4H)-ones affording pyridines has been developed. Di-, tri-, and tetrasubstituted pyridines were... 
REDUCTIVE N-HETEROCYCLIZATION | TRANSITION-METAL CATALYSIS | ISOQUINOLINES | VINYL AZIDES | INTERNAL ALKYNES | CHEMISTRY, MULTIDISCIPLINARY | Ruthenium catalyst | FUNCTIONALIZATION | OXIMES | Isoxazolone | Multisubstituted pyridine | ALKYNES SYNTHESIS | SELECTIVE SYNTHESIS | 2H-INDAZOLE DERIVATIVES
Journal Article
Journal Article
Synthetic Communications, ISSN 0039-7911, 09/2014, Volume 44, Issue 17, pp. 2478 - 2487
An efficient Bi(OTf) 3 -catalyzed synthesis of 3-alkenyl-2-pyrrolidine-2H-indazoles from triazenylaryl allylic alcohols via the intramolecular direct amination... 
bismuth triflate | triazenylaryl allylic alcohols | Alkenyl 2H-indazole | amination
Journal Article
Chemistry Letters, ISSN 0366-7022, 05/2019, Volume 48, Issue X, pp. 1258 - 1261
Journal Article
RSC Advances, ISSN 2046-2069, 2015, Volume 5, Issue 37, pp. 29066 - 29071
Environment-friendly three-component Ugi-type strategy (U-3CR) for the synthesis of a wide variety of a-amino amidines has been developed by using silica gel... 
MULTICOMPONENT REACTIONS | FACILE SYNTHESIS | EFFICIENT APPROACH | 2H-INDAZOLES | C-N | ONE-POT | CONDENSATION | N BOND FORMATION | ALDEHYDES | DERIVATIVES | CHEMISTRY, MULTIDISCIPLINARY
Journal Article
Tetrahedron, ISSN 0040-4020, 03/2017, Volume 73, Issue 10, pp. 1311 - 1316
An iodine-catalyzed aerobic-oxidative C-H functionalization of o-alkylazoarenes to afford 2H-indazoles has been developed. CuI was found to be an effective... 
2H-indazole | sp3 C-H functionalization | Iodine catalysis | Aerobic oxidation | C-H functionalization | INDAZOLE DERIVATIVES | ANNULATION | ONE-POT | CHEMISTRY, ORGANIC | C-H FUNCTIONALIZATION | sp C-H functionalization | AZOBENZENES | REGIOSELECTIVE SYNTHESIS | CONDENSATION | BOND | REDUCTIVE CYCLIZATION | ACCESS | Oxidation-reduction reaction | Catalysis
Journal Article
Tetrahedron Letters, ISSN 0040-4039, 05/2018, Volume 59, Issue 19, pp. 1813 - 1815
[Display omitted] •A novel methodology for the synthesis of 3-perfluoroalkylated-2H-indazoles.•Sequential imine formation, perfluoroalkylation and SnCl2... 
N[sbnd]N bond formation | Perfluoroalkylation | Ruppert-Prakash reagent | Reductive cyclization | 2H-Indazole | N–N bond formation | CHEMISTRY, ORGANIC | DIAZA-WITTIG REACTION | CONVENIENT STRATEGY | MEDICINAL CHEMISTRY | FLUORINE | N BOND FORMATION | GENERATION | SNCL2-MEDIATED CYCLIZATION | FACILE | N-N bond formation | IN-SITU | Chemical tests and reagents
Journal Article
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