• Electrophilic arylhalogenation using N

    Electrophilic arylhalogenation using Nhalosuccinimides under ballmilling Author links open overlay panel Anima Bose Prasenjit Mal We report here a methodology of chemo and regioselective aryl bromination and iodination using respective Nhalosuccinimides at room temperature in the absence of any solvents, catalyst/additives under

  • Cited by: 29
  • Electrophilic arylhalogenation using N

    Electrophilic arylhalogenation using Nhalosuccinimides under ballmilling Author: Bose, Anima, Mal, Prasenjit Source: Tetrahedron letters 2014 v55 pp 21542156 ISSN: 00404039

  • Cited by: 29
  • ChemInform Abstract: Electrophilic Aryl‐Halogenation

    Read "ChemInform Abstract: Electrophilic Aryl‐Halogenation Using N‐Halosuccinimides under Ball‐Milling, ChemInform" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

  • N Halosuccinimide/BF 3 −H 2 O, Efficient

    NHalosuccinimides (NXS, 1) are efficiently activated in trifluoromethanesulfonic acid and BF(3)H(2)O, allowing the halogenations of deactivated aromatics

  • Biphasic electrophilic halogenation of activated

    Electrophilic halogenation of aromatics and heteroaromatics with Nhalosuccinimides in a solid/liquid system using an H+ ion exchanger or ultrasonic irradiation Journal of Molecular Catalysis 1994, 88 (3) , 377383

  • Cited by: 67
  • Efficient Halogenation of Aromatic Systems Using N

    A simple, rapid and highly regioselective green protocol has been developed for the halogenation of aromatic systems with N‐halosuccinimides using room temperature ionic liquids (ILs) as novel and recyclable reaction media to produce the corresponding halogenated aromatic compounds in high to quantitative yieldsN‐Halosuccinimides show enhanced reactivity in ionic liquids thereby reducing

  • Cited by: 73
  • halosuccinimides via direct sp2 C–H bond activation in

    orthochlorinated products in good yields by using the corresponding Nhalosuccinimides Introduction Aryl halides have been widely utilized in organic syntheses, which give access to a range of complex natural products [1,2] However, traditional halogenations of aromatic compounds by direct electrophilic halogenation [3] and Sandmeyer

  • Cited by: 3
  • Synthesis of aryl bromides Organic Chemistry

    Recent Literature The Lewis base TripSMe (Trip = triptycenyl) catalyzes an electrophilic halogenation of unactivated aromatic compounds using Nhalosuccinimides (NXS) at ambient temperature in the presence of AgSBF 6 as source of a noncoordinating

  • NChlorosuccinimide (NCS) Organic Chemistry

    The Lewis base TripSMe (Trip = triptycenyl) catalyzes an electrophilic halogenation of unactivated aromatic compounds using Nhalosuccinimides (NXS) at ambient temperature in the presence of AgSBF 6 as source of a noncoordinating anion The π system of the triptycenyl functionality exerts a crucial role for the enhancement of electrophilicity

  • ChemInform Abstract: Electrophilic Aryl‐Halogenation

    Read "ChemInform Abstract: Electrophilic Aryl‐Halogenation Using N‐Halosuccinimides under Ball‐Milling, ChemInform" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips

  • Efficient Halogenation of Aromatic Systems Using N

    A simple, rapid and highly regioselective green protocol has been developed for the halogenation of aromatic systems with N‐halosuccinimides using room temperature ionic liquids (ILs) as novel and recyclable reaction media to produce the corresponding halogenated aromatic compounds in high to quantitative yieldsN‐Halosuccinimides show enhanced reactivity in ionic liquids thereby reducing

  • halosuccinimides via direct sp2 C–H bond activation in

    orthochlorinated products in good yields by using the corresponding Nhalosuccinimides Introduction Aryl halides have been widely utilized in organic syntheses, which give access to a range of complex natural products [1,2] However, traditional halogenations of aromatic compounds by direct electrophilic halogenation [3] and Sandmeyer

  • Selective Halogenation Using an Aniline Catalyst

    In this study, arylamines have been found to generate an N‐halo arylamine intermediate, which acts as a highly reactive but selective catalytic electrophilic halogen source A wide variety of heteroaromatic and aromatic compounds are halogenated using commercially available N ‐halosuccinimides, for example, NCS, NBS, and NIS, with good to

  • Thieme EJournals Synlett / Abstract

    Abstract A safe, convenient, and regioselective synthesis of 3halo coumarins using a metal halide (CuX 2 alone or with ZnX 2) promoted halogenation with Nhalosuccinimide (NXS) as halide source is reportedThe synthesis involved the steady in situ generation of highly reactive positive halogen (X +) by the coordination of copper or zinc with the Nhalosuccinimide and subsequent electrophilic

  • Electrochemical Oxidative Clean Halogenation Using

    The effect of solvent was explored as well When N,Ndimethylformamide was used as the sole solvent, 69% yield of 3a could still be obtained (entry 11) However, when the reaction was performed using acetonitrile instead of N,Ndimethylformamide, an obvious loss of the yield was observed (entry 12)

  • Efficient Synthesis of PChirogenic Compounds

    Herein, we report a convenient, efficient, and unprecedented pathway to construct valuable Pchirogenic compounds via chiral selenidecatalyzed enantioselective electrophilic aromatic halogenation Using a new chiral bifunctional selenide as the catalyst, a variety of bis(2hydroxyaryl) aryl phosphine oxides were efficiently converted to the

  • Electrochemical Oxidative Clean Halogenation Using

    Catalysis; Green Chemistry; Electrochemistry

  • [PDF] A Convenient New Method for the Bromination

    DOI: 101055/S19992818 Corpus ID: A Convenient New Method for the Bromination of Deactivated Aromatic Compounds @article{Duan1999ACN, title={A Convenient New Method for the Bromination of Deactivated Aromatic Compounds}, author={J Duan and L Zhang and W R Dolbier}, journal={Synlett}, year={1999}, volume={1999}, pages={12451246} }

  • 江西师范大学丁秋平(教授) jxnu

    Rhodiumcatalyzed orthoselective CH halogenation of 2arylbenzo[d]thiazoles using Nhalosuccinimides as halogen sources Tetrahedron, 2015, 71, 23762381 14 Tong Liu, Guanyingsheng Qiu, * Qiuping Ding, * Radical 5exo cyclization of alkynoates with 2 ,

  • halosuccinimides via direct sp2 C–H bond activation in

    orthochlorinated products in good yields by using the corresponding Nhalosuccinimides Introduction Aryl halides have been widely utilized in organic syntheses, which give access to a range of complex natural products [1,2] However, traditional halogenations of aromatic compounds by direct electrophilic halogenation [3] and Sandmeyer

  • Thieme EJournals Synfacts / Abstract

    Thieme EBooks & EJournals Key words methyl triptycenyl sulfide electrophilic aromatic halogenation halosuccinimides aryl halides

  • BJOC Palladiumcatalyzed orthohalogenations of

    Aryl halides have been widely utilized in organic syntheses, which give access to a range of complex natural products However, traditional halogenations of aromatic compounds by direct electrophilic halogenation and Sandmeyer reaction have several drawbacks such as low regioselectivities, complicated reaction procedures and even a risk of danger Thus, it is necessary

  • (PDF) A mild and efficient method for halogenation of

    Tetrahedron Letters Tetrahedron Letters 46 (2005) 6833–6837 A mild and efficient method for halogenation of 3,5dimethyl pyrazoles by ultrasound irradiation using Nhalosuccinimides He´lio A Stefani,a,* Claudio M P Pereira,a,* Roberta B Almeida,a Rodolpho C Braga,b Karla P Guzenb and Rodrigo Cellac a Laborato´rio de Sı´ntese de Mole´culas Bioativas, Departamento de Farma´cia

  • Thieme EJournals Synlett / Abstract

    Abstract A safe, convenient, and regioselective synthesis of 3halo coumarins using a metal halide (CuX 2 alone or with ZnX 2) promoted halogenation with Nhalosuccinimide (NXS) as halide source is reportedThe synthesis involved the steady in situ generation of highly reactive positive halogen (X +) by the coordination of copper or zinc with the Nhalosuccinimide and subsequent electrophilic

  • Efficient Synthesis of PChirogenic Compounds

    Herein, we report a convenient, efficient, and unprecedented pathway to construct valuable Pchirogenic compounds via chiral selenidecatalyzed enantioselective electrophilic aromatic halogenation Using a new chiral bifunctional selenide as the catalyst, a variety of bis(2hydroxyaryl) aryl phosphine oxides were efficiently converted to the

  • Electrochemical Oxidative Clean Halogenation Using

    Catalysis; Green Chemistry; Electrochemistry

  • 江西师范大学丁秋平(教授) jxnu

    Rhodiumcatalyzed orthoselective CH halogenation of 2arylbenzo[d]thiazoles using Nhalosuccinimides as halogen sources Tetrahedron, 2015, 71, 23762381 14 Tong Liu, Guanyingsheng Qiu, * Qiuping Ding, * Radical 5exo cyclization of alkynoates with 2 ,

  • Siteselective and versatile aromatic C−H

    Direct C–H functionalization can quickly increase useful structural and functional molecular complexity1–3 Site selectivity can sometimes be achieved through appropriate directing groups or

  • pmal | NISER

    Maiti and P Mal, ElectronRich Aromatics Under Ball Milling: Oxidative Aryliodination Using I2Oxone and Biarylation with I2, Synth Commun , 2014, 44 , 34613469 50

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