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1

Aromatic Electrophilic Substitution vs. Intramolecular Wittig Reaction: Vinyltriphenylphosphonium Salt Mediated Synthesis of 4-Carboxyalkyl-8-formyl Coumarins

Majumdar, K., Ansary, Inul, Samanta, Srikanta, Roy, Brindaban

Journal:

Year:

2011

Language:

english

File:

PDF, 96 KB

english, 2011

2

ChemInform Abstract: Thiochromenone-Anellated Heterocycles: Regioselective Synthesis of Furo[3,2-b]thiochromen-9-ones.

Krishna C. Majumdar, Brindaban Roy, Paritosh Biswas

Journal:

Year:

2001

File:

PDF, 30 KB

2001

3

ChemInform Abstract: Studies in Sigmatropic Rearrangement: Thermal Rearrangement of 3-(4′-Aryloxybut-2-ynyloxy)thiochromen-4-ones.

Krishna C. Majumdar, Brindaban Roy

Journal:

Year:

2002

File:

PDF, 28 KB

2002

4

ChemInform Abstract: Metal-Catalyzed Heterocyclization: Formation of Five- and Six-Membered Oxygen Heterocycles Through Carbon—Oxygen Bond Forming Reactions

Krishna C. Majumdar, Pradip Debnath, Brindaban Roy

Journal:

Year:

2010

File:

PDF, 16 KB

2010

5

ChemInform Abstract: Enhanced Rate of Intramolecular Nitrile Oxide Cycloaddition and Rapid Synthesis of Isoxazoles and Isoxazolines.

Brindaban Roy, Rajendra Narayan De

Journal:

Year:

2010

File:

PDF, 37 KB

2010

6

ChemInform Abstract: Regioselective Synthesis of Pyridoquinolones and Pyridocoumarins via Molecular Iodine-Mediated 6-endo-dig Electrophilic Cyclization.

K. C. Majumdar, Inul Ansary, Srikanta Samanta, Brindaban Roy

Journal:

Year:

2011

File:

PDF, 29 KB

2011

7

ChemInform Abstract: Aromatic Electrophilic Substitution vs. Intramolecular Wittig Reaction: Vinyltriphenylphosphonium Salt Mediated Synthesis of 4-Carboxyalkyl-8-formyl Coumarins.

K. C. Majumdar, Inul Ansary, Srikanta Samanta, Brindaban Roy

Journal:

Year:

2011

File:

PDF, 29 KB

2011

8

ChemInform Abstract: Synthesis of Novel Isoxazolidines and Medium-Ring Heterocycles Oxazocines and Oxazonines

Brindaban Roy, Rajendra N. De, Somjit Hazra

Journal:

Year:

2011

File:

PDF, 40 KB

2011

9

ChemInform Abstract: Preparation of Nitrones and Studies of Their Intramolecular 1,3-Dipolar Cycloaddition Reactions.

Brindaban Roy, Rajendra Narayan De

Journal:

Year:

2012

File:

PDF, 36 KB

2012

10

ChemInform Abstract: Substitution Alters the Mode of Molecular Iodine Mediated Intramolecular Cyclization: Syntheses of Benzoxepine and Benzo-2H-pyran Derivatives.

Krishna C. Majumdar, Inul Ansary, Biswajit Sinha, Brindaban Roy, Balasubramanian Sridhar

Journal:

Year:

2012

File:

PDF, 37 KB

2012

11

Addition of a 3-alkoxy allenylzinc to N-acyliminium ions: new entry to propargyl syn-1,2-aminoalcohol units

Brindaban Roy, Alejandro Pérez-Luna, Franck Ferreira, Candice Botuha, Fabrice Chemla

Journal:

Tetrahedron Letters

Year:

2008

Language:

english

File:

PDF, 145 KB

english, 2008

12

Regioselective synthesis of pyridoquinolones and pyridocoumarins via molecular iodine-mediated 6-endo-dig electrophilic cylization

K.C. Majumdar, Inul Ansary, Srikanta Samanta, Brindaban Roy

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 1.17 MB

english, 2011

13

Enhanced rate of intramolecular nitrile oxide cycloaddition and rapid synthesis of isoxazoles and isoxazolines

Brindaban Roy, Rajendra Narayan De

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2010

Language:

english

File:

PDF, 436 KB

english, 2010

14

Synthesis of pyrrolo[1,2-f]phenanthridine-annulated polycyclic heterocycles from palladium-catalyzed intramolecular direct arylation reaction

Brindaban Roy, Rajendra Narayan De, Somjit Hazra

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2012

Language:

english

File:

PDF, 328 KB

english, 2012

15

Thiochromenone-Annelated Heterocycles: Regioselective Synthesis of Furo[3,2-b]-thiochromen-9-ones

Krishna C. Majumdar, Brindaban Roy, Paritosh Biswas

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2001

Language:

english

File:

PDF, 84 KB

english, 2001

16

ChemInform Abstract: Synthesis of Pyrrolo[1,2-f]phenanthridine-Annulated Polycyclic Heterocycles from Palladium-Catalyzed Intramolecular Direct Arylation Reaction.

Brindaban Roy, Rajendra Narayan De, Somjit Hazra

Journal:

Year:

2012

File:

PDF, 32 KB

2012

17

ChemInform Abstract: Olefin Epoxidation with tert-Butyl Hydroperoxide Catalyzed by Functionalized Polymer-Supported Copper(II) Schiff Base Complex.

Sk Manirul Islam, Anupam Singha Roy, Paramita Mondal, Manir Mobarok, Brindaban Roy, Noor Salam, Sumantra Paul, Sanchita Mondal

Journal:

Year:

2012

File:

PDF, 37 KB

2012

18

Olefin epoxidation withtert-butyl hydroperoxide catalyzed by functionalized polymer-supported copper(II) Schiff base complex

Sk Manirul Islam, Anupam Singha Roy, Paramita Mondal, Manir Mobarok, Brindaban Roy, Noor Salam, Sumantra Paul, Sanchita Mondal

Journal:

Monatshefte für Chemie - Chemical Monthly

Year:

2012

Language:

english

File:

PDF, 393 KB

english, 2012

19

Advances in Metal-Free Heterocycle-Based Columnar Liquid Crystals

Roy, Brindaban, De, Nirupam, Majumdar, Krishna C.

Journal:

Chemistry - A European Journal

Year:

2012

Language:

english

File:

PDF, 7.80 MB

english, 2012

20

Flexoelectric studies on mixtures of compounds made of rodlike and bent-core molecules

Kundu, Brindaban, Roy, Arun, Pratibha, R., Madhusudana, N. V.

Journal:

Applied Physics Letters

Year:

2009

Language:

english

File:

PDF, 156 KB

english, 2009

21

Copper- and Palladium-Cocatalyzed Intramolecular C-H Functionalization/C-N Bond Formation: A Route to the Synthesis of Indoloisoquinoline Derivatives

Hazra, Somjit, Mondal, Biplab, Rahaman, Habibur, Roy, Brindaban

Journal:

European Journal of Organic Chemistry

Year:

2014

Language:

english

File:

PDF, 506 KB

english, 2014

22

Iron-catalyzed synthesis of heterocycles

Majumdar, Krishna C., De, Nirupam, Ghosh, Tapas, Roy, Brindaban

Journal:

Year:

2014

Language:

english

File:

PDF, 1.68 MB

english, 2014

23

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

Maity, Pintu, Kundu, Debasish, Roy, Rajdip, Ranu, Brindaban C.

Journal:

Organic Letters

Year:

2014

Language:

english

File:

PDF, 1.15 MB

english, 2014

24

Allenylzinc reagents: new trends and synthetic applications

Botuha, Candice, Chemla, Fabrice, Ferreira, Franck, Pérez-Luna, Alejandro, Roy, Brindaban

Journal:

New Journal of Chemistry

Year:

2007

Language:

english

File:

PDF, 919 KB

english, 2007

25

Pd-catalyzed dehydrogenative C–H activation of iminyl hydrogen with the indole C3–H and C2–H bond: an elegant synthesis of indeno[1,2-b]indoles and indolo[1,2-a]indoles

Hazra, Somjit, Mondal, Biplab, De, Rajendra Narayan, Roy, Brindaban

Journal:

Year:

2015

Language:

english

File:

PDF, 810 KB

english, 2015

26

Di-tert-butyl peroxide (DTBP) promoted dehydrogenative coupling: An expedient and metal-free synthesis of oxindoles via intramolecular C(sp2)-H and C(sp3)-H bond activation

Roy, Brindaban, Mondal, Biplab

Journal:

Year:

2015

Language:

english

File:

PDF, 824 KB

english, 2015

27

Metal-Catalyzed Heterocyclization: Formation of Five- and Six-Membered Oxygen Heterocycles through Carbon-Oxygen Bond Forming Reactions

C. Majumdar, Krishna, Debnath, Pradip, Roy, Brindaban

Journal:

Year:

2009

Language:

english

File:

PDF, 1.85 MB

english, 2009

28

Isopropanol and potassium tert-butoxide promoted intramolecular direct sp2 C-H functionalization: An expedient synthesis of 1,2,3-triazole annulated chromens and quinolones

Mondal, Biplab, Roy, Brindaban

Journal:

Tetrahedron Letters

Year:

2015

Language:

english

File:

PDF, 379 KB

english, 2015

29

Substitution Alters the Mode of Molecular Iodine-Mediated Intramolecular Cyclization: Syntheses of Benzoxepine and Benzo-2H-pyran Derivatives

Majumdar, Krishna, Ansary, Inul, Sinha, Biswajit, Roy, Brindaban, Sridhar, Balasubramanian

Journal:

Year:

2011

Language:

english

File:

PDF, 209 KB

english, 2011

30

Synthesis of Novel Isoxazolidines and Medium-Ring Heterocycles Oxazocines and Oxazonines

Roy, Brindaban, N. De, Rajendra, Hazra, Somjit

Journal:

Letters in Organic Chemistry

Year:

2011

Language:

english

File:

PDF, 272 KB

english, 2011

31

Synthesis of Oxepin- and Oxocin- Annulated Pyrimidine Derivatives by Claisen Rearrangement and Ring Closing Metathesis/Ring Closing Enyne Metathesis (SUPORTING DATA)

Majumdar, Krishna, Maji, Pradip, Rahaman, Habibur, Roy, Brindaban

Journal:

Letters in Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 33 KB

english, 2006

32

Studies in sigmatropic rearrangement: thermal rearrangement of 3-(4'-aryloxybut-2-ynyloxy)thiochromen-4-ones

Majumdar, Krishna C., Roy, Brindaban

Journal:

Journal of Chemical Research

Year:

2001

Language:

english

File:

PDF, 105 KB

english, 2001

33

Oxepin- and Spiro-Annulation of 2-Pyridone in Conjunction with Claisen Rearrangement and Ruthenium Carbene Complex Mediated Enyne Metathesis (SUPPORTING DATA)

Roy, Brindaban, Majumdar, Krishna, Rahaman, Habibur

Journal:

Letters in Organic Chemistry

Year:

2006

Language:

english

File:

PDF, 50 KB

english, 2006

34

ChemInform Abstract: Studies of Intramolecular Nitrone-Alkene Cycloaddition Reaction: Regio- and Diastereoselective Synthesis of Chlorinated Isoxazolidines.

Roy, Brindaban, De, Rajendra Narayan

Journal:

Year:

2013

File:

PDF, 28 KB

2013

35

ChemInform Abstract: Pd-Catalyzed Dehydrogenative C-H Activation of Iminyl Hydrogen with the Indole C3-H and C2-H Bond: An Elegant Synthesis of Indeno[1,2-b]indoles and Indolo[1,2-a]indoles.

Hazra, Somjit, Mondal, Biplab, De, Rajendra Narayan, Roy, Brindaban

Journal:

Year:

2015

File:

PDF, 23 KB

2015

36

ChemInform Abstract: Advances in Metal-Free Heterocycle-Based Columnar Liquid Crystals

Roy, Brindaban, De, Nirupam, Majumdar, Krishna C.

Journal:

Year:

2013

File:

PDF, 18 KB

2013

37

ChemInform Abstract: Copper- and Palladium-Cocatalyzed Intramolecular C-H Functionalization/C-N Bond Formation: A Route to the Synthesis of Indoloisoquinoline Derivatives.

Hazra, Somjit, Mondal, Biplab, Rahaman, Habibur, Roy, Brindaban

Journal:

Year:

2015

File:

PDF, 21 KB

2015

38

ChemInform Abstract: 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.

Maity, Pintu, Kundu, Debasish, Roy, Rajdip, Ranu, Brindaban C.

Journal:

Year:

2015

File:

PDF, 28 KB

2015

39

ChemInform Abstract: Iron-Catalyzed Synthesis of Heterocycles

Majumdar, Krishna C., De, Nirupam, Ghosh, Tapas, Roy, Brindaban

Journal:

Year:

2014

File:

PDF, 12 KB

2014

40

ChemInform Abstract: Isopropanol and Potassium tert-Butoxide Promoted Intramolecular Direct sp 2 C-H Functionalization: An Expedient Synthesis of 1,2,3-Triazole Annulated Chromens and Quinolones.

Mondal, Biplab, Roy, Brindaban

Journal:

Year:

2016

File:

PDF, 20 KB

2016

41

ChemInform Abstract: Pd(OAc) 2 -Catalyzed Dehydrogenative C-H Activation: An Expedient Synthesis of Uracil-Annulated β-Carbolinones.

Mondal, Biplab, Hazra, Somjit, Panda, Tarun K, Roy, Brindaban

Journal:

Year:

2015

File:

PDF, 24 KB

2015

42

Stereoselective Peptide Modifications via β-C(sp 3 )-H Arylations

Mondal, Biplab, Roy, Brindaban, Kazmaier, Uli

Journal:

Journal of Organic Chemistry

Year:

2016

Language:

english

File:

PDF, 646 KB

english, 2016

43

ChemInform Abstract: Di-tert-butyl Peroxide (DTBP) Promoted Dehydrogenative Coupling: An Expedient and Metal-Free Synthesis of Oxindoles via Intramolecular C(sp 2 )-H and C(sp 3 )-H Bond Activation.

Mondal, Biplab, Roy, Brindaban

Journal:

Year:

2016

File:

PDF, 22 KB

2016

44

Pd(OAc) 2 -catalyzed dehydrogenative C–H activation: An expedient synthesis of uracil-annulated β-carbolinones

Mondal, Biplab, Hazra, Somjit, Panda, Tarun K, Roy, Brindaban

Journal:

Beilstein Journal of Organic Chemistry

Year:

2015

Language:

english

File:

PDF, 515 KB

english, 2015

45

Chemoenzymatic Reduction of Citreorosein and its Implications for Aloe-Emodin and Rugulosin C (Bio)synthesis

Mondal, Amit, Saha, Nirmal, Rajput, Anshul, Singh, Shailesh Kumar, Roy, Brindaban, Husain, Syed Masood

Journal:

Organic & Biomolecular Chemistry

Year:

2019

Language:

english

File:

PDF, 1.89 MB

english, 2019

46

Additive Free, Pd-Catalyzed 3-Amino-1-Methyl-1H-Pyridin-2-one Directed C(sp2)-H Arylation and Methylation In Water

Mitra, Trisha, Kundu, Mrinalkanti, Roy, Brindaban

Journal:

Journal of Organic Chemistry

Year:

2019

File:

PDF, 439 KB

2019

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