نتائج البحث - "NITRONES"

1

Academic Journal

TMSOTf‐Mediated Aminocyclization/[1,3]‐Sulfonyl Migration of N‐Homopropargyl Hydroxylamines for the Stereoselective Synthesis of 3‐Sulfonyl Cyclic Nitrones.

المؤلفون: Gharpure, Santosh J.¹ (AUTHOR) sjgharpure@iitb.ac.in, Hajam, Showkat A.¹ (AUTHOR), Vishwakarma, Dharmendra S.¹ (AUTHOR)

المصدر: Advanced Synthesis & Catalysis. 12/17/2024, Vol. 366 Issue 24, p5044-5049. 6p.

مصطلحات موضوعية: *NITRONES, *ISOXAZOLINE, *PYRROLIDINE

2

Academic Journal

Asymmetric [3+3] Cycloaddition of N‐Vinyl Oxindole Nitrones with 2‐Indolylmethanols to Prepare Spirooxindole[1,2]oxazines.

المؤلفون: Zou, Ning¹ (AUTHOR), Wu, Yu‐Zheng² (AUTHOR), Zhong, Xin‐Yi¹ (AUTHOR), Wei, Cui¹ (AUTHOR) weicui0831@163.com, Liao, Li‐Min¹ (AUTHOR), Mo, Dong‐Liang² (AUTHOR) moeastlight@mailbox.gxnu.edu.cn, Zhou, Wen‐Jun¹ (AUTHOR) zhwj84@126.com

المصدر: Advanced Synthesis & Catalysis. 12/17/2024, Vol. 366 Issue 24, p4960-4965. 6p.

مصطلحات موضوعية: *NITRONES, *RING formation (Chemistry), *PHOSPHORIC acid, *CARBON, *OXAZINES, *ISOXAZOLIDINES

3

Academic Journal

Yb(OTf)3‐Catalyzed Asymmetric [3+3] Cycloaddition of N‐Vinyl Nitrones with Activated Cyclopropanes to Prepare 1,2‐Oxazines.

المؤلفون: Wu, Yu‐Zheng¹ (AUTHOR), Leng, Yue¹ (AUTHOR), Chen, Yi‐Xin¹ (AUTHOR), Huang, Shi‐Qiu¹ (AUTHOR), Zou, Ning² (AUTHOR) zningzou@163.com, Chen, Chun‐Hua³ (AUTHOR) chenchunhua@gxmzu.edu.cn, Mo, Dong‐Liang¹ (AUTHOR) moeastlight@mailbox.gxnu.edu.cn

المصدر: Chinese Journal of Chemistry. Nov2024, p1. 6p. 7 Illustrations.

مصطلحات موضوعية: *MICHAEL reaction, *NITRONES, *LIGANDS (Chemistry), *FUNCTIONAL groups, *RING formation (Chemistry), *OXAZINES, *ISOXAZOLIDINES

4

Academic Journal

In DFT We Trust: Exhaustive Exploration of 1,3‐Dipolar Cycloadditions Between Nitrones and Levoglucosenone Exposes a Curious Case of Conformational Dynamics.

المؤلفون: Cicetti, Soledad¹ (AUTHOR), Spanevello, Rolando A.¹ (AUTHOR), Sarotti, Ariel M.¹ (AUTHOR) sarotti@iquir-conicet.gov.ar

المصدر: European Journal of Organic Chemistry. 8/19/2024, Vol. 27 Issue 31, p1-9. 9p.

مصطلحات موضوعية: *NITRONES, *PIPERIDINE, *BIOMASS, *FORECASTING

5

Academic Journal

Synthesis and Antioxidant Activity of N -Benzyl-2-[4-(aryl)-1 H -1,2,3-triazol-1-yl]ethan-1-imine Oxides.

المؤلفون: Hadjipavlou-Litina, Dimitra¹ (AUTHOR) hadjipav@pharm.auth.gr, Głowacka, Iwona E.² (AUTHOR) iwona.glowacka@umed.lodz.pl, Marco-Contelles, José^3,4 (AUTHOR) jlmarco@iqog.csic.es, Piotrowska, Dorota G.² (AUTHOR) hadjipav@pharm.auth.gr

المصدر: International Journal of Molecular Sciences. Jun2024, Vol. 25 Issue 11, p5908. 10p.

مصطلحات موضوعية: *NITRONES, *RADICAL cations, *HYDROXYL group, *ANTIOXIDANT testing, *FREE radicals

مصطلحات جغرافية: ALSACE (France)

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6

Academic Journal

Synthesis of a Triterpene Analog of α-phenyl-N-tert-butylnitrone.

المؤلفون: Komissarova, N. G.¹ (AUTHOR) ngkom@anrb.ru, Orlov, A. V.¹ (AUTHOR), Spirikhin, L. V.¹ (AUTHOR)

المصدر: Chemistry of Natural Compounds. Nov2024, Vol. 60 Issue 6, p1197-1199. 3p.

مصطلحات موضوعية: *METABOLITES, *NITRONES, *COLUMN chromatography, *RETINAL degeneration, *NEURODEGENERATION, *AMIDES, *ACYL chlorides

7

Academic Journal

Rhodium‐Catalyzed Asymmetric Hydrogenation and Transfer Hydrogenation of 1,3‐Dipolar Nitrones.

المؤلفون: Xu, Liren¹ (AUTHOR), Yang, Tilong¹ (AUTHOR), Sun, Hao¹ (AUTHOR), Zeng, Jingwen¹ (AUTHOR), Mu, Shuo¹ (AUTHOR), Zhang, Xumu¹ (AUTHOR), Chen, Gen‐Qiang² (AUTHOR) chengq@sustech.edu.cn

المصدر: Angewandte Chemie. 4/2/2024, Vol. 136 Issue 14, p1-7. 7p.

مصطلحات موضوعية: *NITRONES, *HYDROGENATION, *CATALYTIC hydrogenation, *SCISSION (Chemistry), *TRANSFER hydrogenation, *RHODIUM

8

Academic Journal

A facile, regio and diastereoselective synthesis of functionalized azetidin-2-ones: Cu(I) mediated Kinugasa reaction of functionalized nitrones with acetylenic alcohols.

المؤلفون: Sharma, Priyanka¹ (AUTHOR), Mahajan, Dinesh² (AUTHOR), Kumar, Vipan³ (AUTHOR), Kumar, Rupesh¹ (AUTHOR), Bhargava, Gaurav¹ (AUTHOR) gaurav@ptu.ac.in

المصدر: Synthetic Communications. 2024, Vol. 54 Issue 7, p583-591. 9p.

مصطلحات موضوعية: *NITRONES, *COPPER, *ISOXAZOLIDINES, *MANUSCRIPTS

9

Academic Journal

Eu(OTf)3‐Catalyzed Formal Dipolar [4π+2σ] Cycloaddition of Bicyclo‐[1.1.0]butanes with Nitrones: Access to Polysubstituted 2‐Oxa‐3‐azabicyclo[3.1.1]heptanes.

المؤلفون: Zhang, Jian¹ (AUTHOR) nowmiracle@zjnu.edu.cn, Su, Jia‐Yi² (AUTHOR), Zheng, Hanliang¹ (AUTHOR), Li, Hao² (AUTHOR), Deng, Wei‐Ping¹ (AUTHOR) dengwp827@zjnu.edu.cn

المصدر: Angewandte Chemie. Mar2024, Vol. 136 Issue 13, p1-7. 7p.

مصطلحات موضوعية: *ISOXAZOLIDINES, *NITRONES, *BUTANE, *HEPTANE, *DENSITY functional theory, *RING formation (Chemistry), *FUNCTIONAL groups

10

Academic Journal

Sc(OTf)3‐catalyzed tandem (3+3)‐annulation/lactonization of cyclopropanes with salicylaldehyde nitrones to access polycyclic 1,2‐oxazines.

المؤلفون: Liu, Zhiping¹ (AUTHOR) liuzhiping828@126.com, Pang, Jie¹ (AUTHOR), Che, Lijie¹ (AUTHOR), Pang, Liping¹ (AUTHOR), Gan, Chunfang¹ (AUTHOR), Cui, Jianguo¹ (AUTHOR), Huang, Yanmin¹ (AUTHOR) huangyanmin828@163.com

المصدر: Journal of Heterocyclic Chemistry. Mar2024, Vol. 61 Issue 3, p474-482. 9p.

مصطلحات موضوعية: *NITRONES, *ANNULATION, *OXAZINES, *CYCLOPROPANE

11

Academic Journal

Intermolecular 1,3‐Dipolar Cycloaddition Reaction of N‐Carbamoyl Nitrones Generated by N‐Selective Carbamoylation of Oximes with Isocyanates.

المؤلفون: Yamamoto, Ayaka¹ (AUTHOR), Tanaka, Kosaku^1,2 (AUTHOR), Hashimoto, Yoshimitsu¹ (AUTHOR) hashimoto@ac.shoyaku.ac.jp, Morita, Nobuyoshi¹ (AUTHOR), Tamura, Osamu¹ (AUTHOR) tamura@ac.shoyaku.ac.jp

المصدر: Chemistry - A European Journal. 2/12/2024, Vol. 30 Issue 9, p1-6. 6p.

مصطلحات موضوعية: *NITRONES, *RING formation (Chemistry), *ISOCYANATES, *OXIMES, *ISOXAZOLIDINES, *STEREOSELECTIVE reactions

12

Academic Journal

Revealing the cyclization selectivity in intramolecular [3 + 2] cycloaddition reactions of allenic nitrones from the molecular electron density theory perspective.

المؤلفون: Banerjee, Barsali¹ (AUTHOR), Acharjee, Nivedita¹ (AUTHOR) nivchem@gmail.com, Palit, Debnath² (AUTHOR)

المصدر: Structural Chemistry. Feb2024, Vol. 35 Issue 1, p209-221. 13p.

مصطلحات موضوعية: *ELECTRON density, *NITRONES, *RING formation (Chemistry), *DOUBLE bonds, *CHEMICAL bond lengths, *ACTIVATION energy

13

Academic Journal

Revealing the influence of tether length on the intramolecular [3 + 2] cycloaddition reactions of nitrones from the molecular electron density theory perspective.

المؤلفون: Mondal, Asmita¹ (AUTHOR), Domingo, Luis R.² (AUTHOR), Acharjee, Nivedita¹ (AUTHOR) luisrdomingo@gmail.com

المصدر: Journal of Physical Organic Chemistry. Jan2024, Vol. 37 Issue 1, p1-13. 13p.

مصطلحات موضوعية: *ELECTRON density, *NITRONES, *RING formation (Chemistry), *QUANTUM theory, *ACTINIC flux, *POLAR vortex

14

Academic Journal

Reactions of 1-Vinyl-4,5-dihydro-1H-benzo[g]indole with Nitrones in Presence of Nickel(II) Perchlorate.

المؤلفون: Efremova, M. M.¹ m.efremova@spbu.ru, Ivanov, A. V.^1,2, Panikorovskii, T. L.^1,3, Molchanov, A. P.¹

المصدر: Russian Journal of General Chemistry. 2024 Suppl 1, Vol. 94, pS53-S59. 7p.

مصطلحات موضوعية: *NITRONES, *NICKEL, *DIPYRROMETHANES, *RING formation (Chemistry), *MIXTURES, *ISOXAZOLIDINES, *INDOLE

15

Academic Journal

Construction of Nitrogen Spirocycles in a Tandem Co(III)‐catalyzed C−H Activation/Dipolar Cycloaddition Reaction.

المؤلفون: Brześkiewicz, Jakub¹ (AUTHOR), Loska, Rafał¹ (AUTHOR) rafal.loska@icho.edu.pl

المصدر: Advanced Synthesis & Catalysis. Dec2023, Vol. 365 Issue 23, p4241-4247. 7p.

مصطلحات موضوعية: *RING formation (Chemistry), *NITRONES, *NITROGEN, *HETEROCYCLIC compounds

16

Academic Journal

Enantioselective formal (3 + 3) cycloaddition of bicyclobutanes with nitrones enabled by asymmetric Lewis acid catalysis.

المؤلفون: Wu, Wen-Biao, Xu, Bing, Yang, Xue-Chun, Wu, Feng, He, Heng-Xian, Zhang, Xu, Feng, Jian-Jun

المصدر: Nature Communications; 9/13/2024, Vol. 15 Issue 1, p1-9, 9p

مصطلحات موضوعية: DRUG discovery, LEWIS acids, ACYL group, ACID catalysts, NITRONES, ISOXAZOLIDINES

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17

Academic Journal

Direct Generation of N‐Alkoxycarbonyl Nitrones from Oximes: Intramolecular Cycloaddition of Oximes Having Alkene Moieties.

المؤلفون: Sagara, Hiroto¹ (AUTHOR), Suzuki, Yoshio¹ (AUTHOR), Morita, Nobuyoshi¹ (AUTHOR), Ban, Shintaro¹ (AUTHOR), Tanaka, Kosaku^1,2 (AUTHOR), Yamamoto, Ayaka¹ (AUTHOR), Hashimoto, Yoshimitsu¹ (AUTHOR), Tamura, Osamu¹ (AUTHOR) tamura@ac.shoyaku.ac.jp

المصدر: Advanced Synthesis & Catalysis. 11/21/2023, Vol. 365 Issue 22, p3927-3934. 8p.

مصطلحات موضوعية: *NITRONES, *OXIMES, *ALKENES, *ISOXAZOLIDINES, *MOIETIES (Chemistry), *RING formation (Chemistry), *TOLUENE

18

Academic Journal

Synthesis of Angular Polycyclic Aromatic Molecules via Rh(III)‐Catalyzed C−H Annulation of Nitrones with Cyclic 2‐Diazo‐1,3‐diones.

المؤلفون: Wang, Yan¹ (AUTHOR), Zhao, Li‐Ming¹ (AUTHOR) lmzhao@jsnu.edu.cn

المصدر: Advanced Synthesis & Catalysis. 11/7/2023, Vol. 365 Issue 21, p3713-3717. 5p.

مصطلحات موضوعية: *ANNULATION, *NITRONES, *MOLECULES, *FUNCTIONAL groups, *DERIVATIZATION

19

Academic Journal

Organocatalytic (3+3)-cycloaddition of ortho-substituted phenyl nitrones with aryl cyclopropane carbaldehydes: a facile access to enantioenriched 1,2-oxazinanes.

المؤلفون: Hazra, Arijit¹ (AUTHOR), Ghosh, Asit¹ (AUTHOR), Yadav, Neeraj¹ (AUTHOR), Banerjee, Prabal¹ (AUTHOR) prabal@iitrpr.ac.in

المصدر: Chemical Communications. 9/21/2023, Vol. 59 Issue 74, p11133-11136. 4p.

مصطلحات موضوعية: *NITRONES, *CYCLOPROPANE, *RING formation (Chemistry), *SECONDARY amines

20

Academic Journal

Gold‐Catalyzed Cyclizations and [3+2]‐Annulation Cascades between 1,5‐Diyn‐3‐ols and Nitrones to Construct Carbazole Frameworks.

المؤلفون: Tanpure, Sudhakar Dattatray¹ (AUTHOR), Dhole, Manoj Dilip¹ (AUTHOR), Liu, Rai‐Shung¹ (AUTHOR) rsliu@mx.nthu.edu.tw

المصدر: Advanced Synthesis & Catalysis. 9/5/2023, Vol. 365 Issue 17, p2936-2942. 7p.

مصطلحات موضوعية: *NITRONES, *CARBAZOLE derivatives, *MANNICH reaction, *CARBAZOLE, *ISOXAZOLIDINES

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