Brindaban C Ranu

Summary

Affiliation: Indian Association for the Cultivation of Science
Country: India

Publications

  1. ncbi A new route to the synthesis of (E)- and (Z)-2-alkene-4-ynoates and nitriles from vic-iiodo-(E)-alkenes catalyzed by Pd(0) nanoparticles in water
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India
    Org Lett 9:2409-12. 2007
  2. ncbi Indium(I) iodide-mediated cleavage of diphenyl diselenide. An efficient one-pot procedure for the synthesis of unsymmetrical diorganyl selenides
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
    Org Lett 5:1439-41. 2003
  3. doi Hydroxyapatite-supported palladium-catalyzed efficient synthesis of (E)-2-alkene-4-ynecarboxylic esters. Intense fluorescence emission of selected compounds
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 73:5609-12. 2008
  4. ncbi Solvent-controlled highly selective bis- and monoallylation of active methylene compounds by allyl acetate with palladium(0) nanoparticle
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700 032, India
    Org Lett 9:4595-8. 2007
  5. ncbi Ionic liquid as catalyst and reaction medium. The dramatic influence of a task-specific ionic liquid, [bmIm]OH, in Michael addition of active methylene compounds to conjugated ketones, carboxylic esters, and nitriles
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur
    Org Lett 7:3049-52. 2005
  6. ncbi Indium(I) iodide promoted cleavage of diphenyl diselenide and disulfide and subsequent palladium(0)-catalyzed condensation with vinylic bromides. A simple one-pot synthesis of vinylic selenides and sulfides
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 71:423-5. 2006
  7. ncbi Catalysis by ionic liquid. A green protocol for the stereoselective debromination of vicinal-dibromides by [pmIm]BF4 under microwave irradiation
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 70:8621-4. 2005
  8. ncbi Indium(I) iodide-promoted cleavage of diaryl diselenides and disulfides and subsequent condensation with alkyl or acyl halides. One-pot efficient synthesis of diorganyl selenides, sulfides, selenoesters, and thioesters
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
    J Org Chem 69:5793-5. 2004
  9. ncbi Remarkably selective reduction of the alpha,beta-carbon-carbon double bond in highly activated alpha,beta,gamma,delta-unsaturated alkenes by the InCl3-NaBH4 reagent system
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
    J Org Chem 68:7130-2. 2003
  10. doi A co-operative Ni-Cu system for Csp-Csp and Csp-Csp(2) cross-coupling providing a direct access to unsymmetrical 1,3-diynes and en-ynes
    Nirmalya Mukherjee
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Chem Commun (Camb) 50:15784-7. 2014

Collaborators

  • Sampak Samanta
  • Debasish Kundu
  • Sabir Ahammed
  • Nirmalya Mukherjee
  • Tanmay Chatterjee
  • Amit Saha
  • Debasree Saha
  • Sukalyan Bhadra
  • Biju Majhi
  • Laksmikanta Adak
  • Pintu Maity
  • Raju Dey
  • Manabendra Mukherjee
  • Rajdip Roy
  • Bojja Sreedhar
  • M Mukherjee
  • A K M Maidul Islam
  • Kalicharan Chattopadhyay

Detail Information

Publications33

  1. ncbi A new route to the synthesis of (E)- and (Z)-2-alkene-4-ynoates and nitriles from vic-iiodo-(E)-alkenes catalyzed by Pd(0) nanoparticles in water
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India
    Org Lett 9:2409-12. 2007
    ..The aqueous slurry of Pd nanoparticles is recycled. A probable mechanism has been suggested...
  2. ncbi Indium(I) iodide-mediated cleavage of diphenyl diselenide. An efficient one-pot procedure for the synthesis of unsymmetrical diorganyl selenides
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
    Org Lett 5:1439-41. 2003
    ..reaction: see text]..
  3. doi Hydroxyapatite-supported palladium-catalyzed efficient synthesis of (E)-2-alkene-4-ynecarboxylic esters. Intense fluorescence emission of selected compounds
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 73:5609-12. 2008
    ..The catalyst is recycled, and the turnover number (TON) based on Pd is 16000. A naphthyl-substituted derivative gives very intense fluorescence emission...
  4. ncbi Solvent-controlled highly selective bis- and monoallylation of active methylene compounds by allyl acetate with palladium(0) nanoparticle
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, 700 032, India
    Org Lett 9:4595-8. 2007
    ..The reaction in water provides monoallylated product selectively by allyl acetate only. The recovered Pd(0) nanoparticle is recycled. A probable mechanism is suggested...
  5. ncbi Ionic liquid as catalyst and reaction medium. The dramatic influence of a task-specific ionic liquid, [bmIm]OH, in Michael addition of active methylene compounds to conjugated ketones, carboxylic esters, and nitriles
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur
    Org Lett 7:3049-52. 2005
    ....
  6. ncbi Indium(I) iodide promoted cleavage of diphenyl diselenide and disulfide and subsequent palladium(0)-catalyzed condensation with vinylic bromides. A simple one-pot synthesis of vinylic selenides and sulfides
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 71:423-5. 2006
    ..The conversion of (E)-vinyl bromides is remarkably stereoselective giving (E)-vinyl selenides (and sulpfides) whereas the stereoselectivity in reaction of (Z)-vinyl bromides is not very good...
  7. ncbi Catalysis by ionic liquid. A green protocol for the stereoselective debromination of vicinal-dibromides by [pmIm]BF4 under microwave irradiation
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 70:8621-4. 2005
    ..This reaction does not require any organic solvent and any metal or any conventional reducing agent, and the ionic liquid is recycled without any appreciable loss of its catalytic efficiency...
  8. ncbi Indium(I) iodide-promoted cleavage of diaryl diselenides and disulfides and subsequent condensation with alkyl or acyl halides. One-pot efficient synthesis of diorganyl selenides, sulfides, selenoesters, and thioesters
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
    J Org Chem 69:5793-5. 2004
    ..Thus, a simple, efficient, and general procedure has been developed for the synthesis of unsymmetrical diorganyl selenides, sulfides (thioethers), selenoesters, and thioesters by this one-pot reaction at room temperature...
  9. ncbi Remarkably selective reduction of the alpha,beta-carbon-carbon double bond in highly activated alpha,beta,gamma,delta-unsaturated alkenes by the InCl3-NaBH4 reagent system
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Calcutta 700 032, India
    J Org Chem 68:7130-2. 2003
    ....
  10. doi A co-operative Ni-Cu system for Csp-Csp and Csp-Csp(2) cross-coupling providing a direct access to unsymmetrical 1,3-diynes and en-ynes
    Nirmalya Mukherjee
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Chem Commun (Camb) 50:15784-7. 2014
    ..The reaction is suggested to proceed by Ni(0) catalysis assisted by Cu(I). A series of functionalised diaryl, aryl-alkyl, aryl-heteroaryl, diheteroaryl 1,3-di-ynes and en-ynes are obtained in high yields...
  11. doi Copper nanoparticle-catalyzed carbon-carbon and carbon-heteroatom bond formation with a greener perspective
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata, India
    ChemSusChem 5:22-44. 2012
    ..The scope, limitations, and green aspects of the reactions have also been highlighted. The convenient methods of preparation of copper nanoparticles and their characterization are described...
  12. ncbi Ruthenium(iii)-catalysed phenylselenylation of allyl acetates by diphenyl diselenide and indium(i) bromide in neat: isolation and identification of intermediate
    Amit Saha
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Org Biomol Chem 9:1763-7. 2011
    ..The intermediate complex of diphenyl diselenide and indium has been isolated and identified as a polymeric pentacoordinated In(iii) selenolate complex, [In(SePh)(3)](n)...
  13. ncbi Using more environmentally friendly solvents and benign catalysts in performing conventional organic reactions
    Brindaban C Ranu
    Indian Association for the Cultivation of Science, Department of Organic Chemistry, Jadavpur, Kolkata 700032, India
    Curr Opin Drug Discov Devel 13:658-68. 2010
    ..The advantages of neat reactions in the absence of any solvent and the use of fluorous compounds as phase-separable catalysts are also described...
  14. ncbi Copper nano-catalyst: sustainable phenyl-selenylation of aryl iodides and vinyl bromides in water under ligand free conditions
    Amit Saha
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    Org Biomol Chem 7:1652-7. 2009
    ..E)-Vinyl bromides produce (E)-vinyl selenides stereoselectively, whereas (Z)-vinyl bromides provide mixtures of (E) and (Z) isomers. The catalyst was recycled...
  15. ncbi Ionic liquid as reagent. A green procedure for the regioselective conversion of epoxides to vicinal-halohydrins using [AcMIm]X under catalyst- and solvent-free conditions
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 70:4517-9. 2005
    ..The cleavages are considerably fast and highly regioselective...
  16. ncbi An improved procedure for the three-component synthesis of highly substituted pyridines using ionic liquid
    Brindaban C Ranu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 72:3152-4. 2007
    ..This reaction does not involve any hazardous organic solvent and toxic catalyst. The ionic liquid is recovered and recycled for subsequent reactions...
  17. doi Heterogeneous Cu(II) -catalysed solvent-controlled selective N-arylation of cyclic amides and amines with bromo-iodoarenes
    Debasish Kundu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032 India, Fax 91 33 24732805
    Chemistry 19:15759-68. 2013
    ..The Cu(II) /Al2 O3 catalyst was recovered and recycled for subsequent reactions. ..
  18. doi Highly selective reduction of nitroarenes by iron(0) nanoparticles in water
    Raju Dey
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Chem Commun (Camb) 48:7982-4. 2012
    ..A wide spectrum of reducible functionalities remained inert under the reaction conditions. During the reaction a change in shape of Fe nanoparticles was observed...
  19. doi Al(2)O(3)-supported Cu-Catalyzed Electrophilic Substitution by PhSeBr in Organoboranes, Organosilanes, and Organostannanes. A protocol for the synthesis of unsymmetrical diaryl and alkyl aryl selenides
    Sukalyan Bhadra
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 75:4864-7. 2010
    ..The catalyst is inexpensive, eco- and user-friendly, and recyclable. The mechanism involving Cu-assisted nucleophilic displacement of Br in PhSeBr by mild nucleophiles is described...
  20. doi Palladium nanoparticle-catalyzed C-N bond formation. A highly regio- and stereoselective allylic amination by allyl acetates
    Laksmikanta Adak
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700 032, India
    J Org Chem 74:3982-5. 2009
    ..The allylations are highly regio- and stereoselective...
  21. doi Solvent-controlled halo-selective selenylation of aryl halides catalyzed by Cu(II) supported on Al2O3. A general protocol for the synthesis of unsymmetrical organo mono- and bis-selenides
    Tanmay Chatterjee
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 78:7145-53. 2013
    ..The reactions are chemoselective and high yielding. The Cu-Al2O3 catalyst is recycled for seven runs without any appreciable loss of activity. ..
  22. doi Copper(I) hydroxyapatite catalyzed Sonogashira reaction of alkynes with styrenyl bromides. Reaction of cis-styrenyl bromides forming unsymmetric diynes
    Debasree Saha
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 77:9379-83. 2012
    ..A series of trans-enynes and unsymmetric 1,3-diynes have been synthesized by this protocol...
  23. doi Alumina-supported Cu(II), a versatile and recyclable catalyst for regioselective ring opening of aziridines and epoxides and subsequent cyclization to functionalized 1,4-benzoxazines and 1,4-benzodioxanes
    Sukalyan Bhadra
    Department of Organic Chemistry, Indian Association for theCultivation of science, Jadavpur, Kolkata 700031, India
    J Org Chem 75:8533-41. 2010
    ..The function of the catalyst and the reaction pathway are postulated. This protocol is successfully utilized for the formation of three carbon-heteroatom bonds, namely, C-O, C-N, and C-S, in one pot...
  24. doi A direct synthesis of selenophenes by Cu-catalyzed one-pot addition of a selenium moiety to (E,E)-1,3-dienyl bromides and subsequent nucleophilic cyclization
    Pintu Maity
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Org Lett 16:4122-5. 2014
    ..This is found to be a general methodology for chalcogenophenes being effective for the synthesis of thiophenes too. ..
  25. doi Cu-catalyzed Fe-driven C(sp)-C(sp) and C(s)p-C(sp2) cross-coupling: an access to 1,3-diynes and 1,3-enynes
    Sabir Ahammed
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 79:7391-8. 2014
    ..The catalyst was easily separated by an external magnet and recycled 10 times. ..
  26. doi tert-Butyl nitrite mediated regiospecific nitration of (E)-azoarenes through palladium-catalyzed directed C-H activation
    Biju Majhi
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032 India
    Chemistry 20:9862-6. 2014
    ..A series of both symmetrical and unsymmetrical azoarenes were nitrated efficiently by this procedure providing excellent chemo- and regioselectivity and compatibility with a broad array of functional groups. ..
  27. doi Visible light photocatalyzed direct conversion of aryl-/heteroarylamines to selenides at room temperature
    Debasish Kundu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Org Lett 16:1814-7. 2014
    ..The selenylation of heteroarylamine by this protocol is of much significance because of the difficulty in diazotization of these molecules by a standard diazotization method in acid medium. ..
  28. doi ZnO-supported Pd nanoparticle-catalyzed ligand- and additive-free cyanation of unactivated aryl halides using K4[Fe(CN)6]
    Tanmay Chatterjee
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 79:5875-9. 2014
    ..This process circumvents the need for an additive and a ligand for the reaction and offers the advantages of high product yields, low catalyst loading (0.2 mol % Pd), and recyclability of the catalyst. ..
  29. doi Reaction under ball-milling: solvent-, ligand-, and metal-free synthesis of unsymmetrical diaryl chalcogenides
    Nirmalya Mukherjee
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 78:11110-4. 2013
    ..A wide range of functionalized diaryl chalcogenides are obtained in high purity by this procedure. ..
  30. ncbi Hydroxyapatite-supported Cu(I)-catalysed cyanation of styrenyl bromides with K4[Fe(CN)6]: an easy access to cinnamonitriles
    Debasree Saha
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Org Biomol Chem 10:952-7. 2012
    ..The stereochemistry of the styrenyl double bond is preserved during the process providing the same stereoisomer of product...
  31. ncbi Hydrogenation of azides over copper nanoparticle surface using ammonium formate in water
    Sabir Ahammed
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    J Org Chem 76:7235-9. 2011
    ..A variety of functionalized aryl azides and aryl sulfonyl azides are reduced by this procedure to the corresponding amines with excellent chemoselectivity in high yields...
  32. doi Palladium-Catalyzed Norbornene-Mediated Tandem ortho-C-H-Amination/ipso-C-I-Cyanation of Iodoarenes: Regiospecific Synthesis of 2-Aminobenzonitrile
    Biju Majhi
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Org Lett 18:4162-5. 2016
    ..This strategy was successfully employed for substitution with two cyano and four amino functionalities in an arene unit in one step under specified conditions. ..
  33. doi Copper-assisted nickel catalyzed ligand-free C(sp2)-O cross-coupling of vinyl halides and phenols
    Debasish Kundu
    Department of Organic Chemistry, Indian Association for the Cultivation of Science, Jadavpur, Kolkata 700032, India
    Org Lett 16:1040-3. 2014
    ..This procedure provides an easy access to a library of aryl-vinyl and aryl-styrenyl ethers. ..