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1

Stereoselective Reduction of Aryl-Substituted g em -Dibromides to Vinyl Bromides by Indium Metal

Ranu, Brindaban C., Samanta, Sampak, Guchhait, Sankar K.

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 27 KB

english, 2001

2

Reduction of activated conjugated alkenes by the InCl3–NaBH4 reagent system

Brindaban C Ranu, Sampak Samanta

Journal:

Year:

2003

Language:

english

File:

PDF, 168 KB

english, 2003

3

Biopolymeric alginic acid: an efficient recyclable green catalyst for the Friedel-Crafts reaction of indoles with isoquinoline-1,3,4-triones in water

Srivastava, Anvita, Yadav, Anubha, Samanta, Sampak

Journal:

Tetrahedron Letters

Year:

2015

Language:

english

File:

PDF, 1.07 MB

english, 2015

4

ChemInform Abstract: (.+-.)-CSA-Catalyzed Friedel-Crafts Alkylation of Indoles with 3-Ethoxycarbonyl-3-hydroxyisoindolin-1-one: An Easy Access of 3-Ethoxycarbonyl-3-indolylisoindolin-1-ones Bearing a Quaternary α-Amino Acid Moiety.

Srivastava, Anvita, Singh, Shivendra, Samanta, Sampak

Journal:

Year:

2013

File:

PDF, 35 KB

2013

5

Efficient Cu(OTf) 2 -catalyzed and microwave-assisted rapid synthesis of 3,4-fused chromenopyridinones under neat conditions

Yadav, Anubha, Biswas, Soumen, Mobin, Shaikh M., Samanta, Sampak

Journal:

Tetrahedron Letters

Year:

2017

Language:

english

File:

PDF, 1.03 MB

english, 2017

6

Stereoselective Synthesis of 3,3-Disubstituted Oxindoles and Spirooxindoles Via Allylic alkylation of Morita-Baylis-Hillman Carbonates of Isatins with Cyclic Sulfamidate Imines Catalyzed by DABCO

Arupula, Dr. Sanjeeva Kumar, Guin, Soumitra, Yadav, Anubha, Mobin, Shaikh M., Samanta, Sampak

Journal:

Journal of Organic Chemistry

Year:

2018

Language:

english

File:

PDF, 1018 KB

english, 2018

7

Chemoselective cyclization of N-sulfonyl ketimines with ethenesulfonyl fluorides: access to trans-cyclopropanes and fused-dihydropyrroles

Arupula, Sanjeeva Kumar, Gudimella, Santosh Kumar, Guin, Soumitra, Mobin, Shaikh M., Samanta, Sampak

Journal:

Organic & Biomolecular Chemistry

Year:

2019

Language:

english

File:

PDF, 604 KB

english, 2019

8

A Simple, Efficient and General Procedure for Acetalization of Carbonyl Compounds and Deprotection of Acetals under the Catalysis of Indium(III) Chloride

Brindaban C. Ranu, Ranjan Jana, Sampak Samanta

Journal:

Advanced Synthesis & Catalysis

Year:

2004

Language:

english

File:

PDF, 129 KB

english, 2004

9

Asymmetric Diels–Alder Reactions of α,β-Unsaturated Aldehydes Catalyzed by a Diarylprolinol Silyl Ether Salt in the Presence of Water

Yujiro Hayashi, Sampak Samanta, Hiroaki Gotoh, Hayato Ishikawa

Journal:

Angewandte Chemie

Year:

2008

Language:

english

File:

PDF, 311 KB

english, 2008

10

Asymmetric Diels–Alder Reactions of α,β-Unsaturated Aldehydes Catalyzed by a Diarylprolinol Silyl Ether Salt in the Presence of Water

Yujiro Hayashi, Sampak Samanta, Hiroaki Gotoh, Hayato Ishikawa

Journal:

Angewandte Chemie International Edition

Year:

2008

Language:

english

File:

PDF, 311 KB

english, 2008

11

ChemInform Abstract: Stereoselective Reduction of Aryl-Substituted gem-Dibromides to Vinyl Bromides by Indium Metal.

Brindaban C. Ranu, Sampak Samanta, Sankar K. Guchhait

Journal:

Year:

2001

File:

PDF, 28 KB

2001

12

ChemInform Abstract: Indium-Mediated Allylation of β-Keto Phosphonates.

Brindaban C. Ranu, Sampak Samanta, Alakananda Hajra

Journal:

Year:

2002

File:

PDF, 31 KB

2002

13

ChemInform Abstract: Zinc Tetrafluoroborate Catalyzed Mannich-Type Reaction of Aldimines and Silyl Enol Ethers in Aqueous Medium.

Brindaban C. Ranu, Sampak Samanta, Sankar K. Guchhait

Journal:

Year:

2002

File:

PDF, 35 KB

2002

14

ChemInform Abstract: Highly Efficient Transthioacetalization of O,O-Acetals Catalyzed by Indium(III) Chloride.

Brindaban C. Ranu, Arijit Das, Sampak Samanta

Journal:

Year:

2002

File:

PDF, 31 KB

2002

15

Unusual Cleavage of Ethers by Thiophenol on the Surface of Silica Gel Impregnated with Indium(III) Chloride under Microwave Irradiation: Efficient Procedure for the Synthesis of Thioethers Through Transthioetherification.

Brindaban C. Ranu, Sampak Samanta, Alakananda Hajra

Journal:

Year:

2002

File:

PDF, 35 KB

2002

16

Reduction of Trihalomethyl Carbinols and Their Acetates Mesylates and Tosylates by Indium Metal.

Brindaban C. Ranu, Sampak Samanta, Arijit Das

Journal:

Year:

2002

File:

PDF, 30 KB

2002

17

Use of Indium Hydride (Cl2InH) for Chemoselective Reduction of the Carbon—Carbon Double Bond in Conjugated Alkenes.

Brindaban C. Ranu, Sampak Samanta

Journal:

Year:

2002

File:

PDF, 30 KB

2002

18

Catalysis by Ionic Liquids: Solvent-Free Efficient Transthioacetalization of Acetals by Molten Tetrabutylammonium Bromide.

Brindaban C. Ranu, Arijit Das, Sampak Samanta

Journal:

Year:

2003

File:

PDF, 109 KB

2003

19

Indium(I) Iodide Mediated Cleavage of Diphenyl Diselenide. An Efficient One-Pot Procedure for the Synthesis of Unsymmetrical Diorganyl Selenides.

Brindaban C. Ranu, Tanmay Mandal, Sampak Samanta

Journal:

Year:

2003

File:

PDF, 92 KB

2003

20

Remarkably Selective Reduction of the α,β-Carbon—Carbon Double Bond in Highly Activated α,β,γ,δ-Unsaturated Alkenes by the InCl3—NaBH4 Reagent System.

Brindaban C. Ranu, Sampak Samanta

Journal:

Year:

2004

File:

PDF, 112 KB

2004

21

Reduction of Activated Conjugated Alkenes by the InCl3—NaBH4 Reagent System.

Brindaban C. Ranu, Sampak Samanta

Journal:

Year:

2004

File:

PDF, 161 KB

2004

22

Asymmetric direct aldol reaction of 1,2-diketones and ketones mediated by proline derivatives

Sampak Samanta, Cong-Gui Zhao

Journal:

Tetrahedron Letters

Year:

2006

Language:

english

File:

PDF, 114 KB

english, 2006

23

Zinc tetrafluoroborate catalyzed Mannich-type reaction of aldimines and silyl enol ethers in aqueous medium

Brindaban C Ranu, Sampak Samanta, Sankar K Guchhait

Journal:

Year:

2002

Language:

english

File:

PDF, 106 KB

english, 2002

24

Reduction of trihalomethyl carbinols and their acetates, mesylates and tosylates by indium metal

Brindaban C. Ranu, Sampak Samanta, Arijit Das

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 256 KB

english, 2002

25

Use of indium hydride (Cl2InH) for chemoselective reduction of the carboncarbon double bond in conjugated alkenes

Brindaban C. Ranu, Sampak Samanta

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 81 KB

english, 2002

26

Organocatalytic Highly Enantioselective Nitroaldol Reaction of α-Ketophosphonates and Nitromethane†

Mandal, Tanmay, Samanta, Sampak, Zhao, Cong-Gui

Journal:

Organic Letters

Year:

2007

Language:

english

File:

PDF, 59 KB

english, 2007

27

Asymmetric, Catalytic, and Direct Self-Aldol Reaction of Acetaldehyde Catalyzed by Diarylprolinol

Hayashi, Yujiro, Samanta, Sampak, Itoh, Takahiko, Ishikawa, Hayato

Journal:

Organic Letters

Year:

2008

Language:

english

File:

PDF, 135 KB

english, 2008

28

Indium(I) Iodide-Mediated Cleavage of Diphenyl Diselenide. An Efficient One-Pot Procedure for the Synthesis of Unsymmetrical Diorganyl Selenides

Ranu, Brindaban C., Mandal, Tanmay, Samanta, Sampak

Journal:

Organic Letters

Year:

2003

Language:

english

File:

PDF, 41 KB

english, 2003

29

C 2 -Symmetric Bisprolinamide as a Highly Efficient Catalyst for Direct Aldol Reaction

Samanta, Sampak, Liu, Jinyun, Dodda, Rajasekhar, Zhao, Cong-Gui

Journal:

Organic Letters

Year:

2005

Language:

english

File:

PDF, 125 KB

english, 2005

30

Stereoselective synthesis of highly functionalized tetrahydrocarbazoles through a domino Michael–Henry reaction: an easy access to four contiguous chiral centers

Jaiswal, Pradeep Kumar, Biswas, Soumen, Singh, Shivendra, Pathak, Biswarup, Mobin, Shaikh M., Samanta, Sampak

Journal:

Year:

2013

Language:

english

File:

PDF, 498 KB

english, 2013

31

l-Proline catalyzed stereoselective synthesis of (E)-methyl-α-indol-2-yl-β-aryl/alkyl acrylates: easy access to substituted carbazoles, γ-carbolines and prenostodione

Biswas, Soumen, Jaiswal, Pradeep Kumar, Singh, Shivendra, Mobin, Shaikh M., Samanta, Sampak

Journal:

Organic & Biomolecular Chemistry

Year:

2013

Language:

english

File:

PDF, 567 KB

english, 2013

32

Rapid access of 2,3,4-trisubstituted-2,3,4,9-tetrahydrothiopyrano[2,3-b]indole derivatives via one-pot three component reaction using organocatalysis

Singh, Shivendra, Srivastava, Anvita, Samanta, Sampak

Journal:

Tetrahedron Letters

Year:

2012

Language:

english

File:

PDF, 575 KB

english, 2012

33

(±)-CSA catalyzed Friedel–Crafts alkylation of indoles with 3-ethoxycarbonyl-3-hydoxyisoindolin-1-one: an easy access of 3-ethoxycarbonyl-3-indolylisoindolin-1-ones bearing a quaternary α-amino acid moiety

Srivastava, Anvita, Singh, Shivendra, Samanta, Sampak

Journal:

Tetrahedron Letters

Year:

2013

Language:

english

File:

PDF, 672 KB

english, 2013

34

(±)-CSA catalyzed one-pot synthesis of 6,7-dihydrospiro[indole-3,1′-isoindoline]-2,3′,4(1H,5H)-trione derivatives: easy access of spirooxindoles and ibophyllidine-like alkaloids

Srivastava, Anvita, Mobin, Shaikh M., Samanta, Sampak

Journal:

Tetrahedron Letters

Year:

2014

Language:

english

File:

PDF, 1.25 MB

english, 2014

35

An expedient one-pot sequential three-component reaction for the stereoselective synthesis of functionalized spiro-sulfamidate imine fused δ-lactone scaffold

Majee, Debashis, Biswas, Soumen, Mobin, Shaikh M., Samanta, Sampak

Journal:

Tetrahedron Letters

Year:

2014

Language:

english

File:

PDF, 457 KB

english, 2014

36

Indium-Mediated Allylation of β-Keto Phosphonates

Ranu, Brindaban C., Samanta, Sampak, Hajra, Alakananda

Journal:

Journal of Organic Chemistry

Year:

2001

Language:

english

File:

PDF, 38 KB

english, 2001

37

Remarkably Selective Reduction of the α,β-Carbon−Carbon Double Bond in Highly Activated α,β,γ,δ-Unsaturated Alkenes by the InCl 3 −NaBH 4 Reagent System

Ranu, Brindaban C., Samanta, Sampak

Journal:

Journal of Organic Chemistry

Year:

2003

Language:

english

File:

PDF, 52 KB

english, 2003

38

Organocatalytic Enantioselective Synthesis of Both Diastereomers of α-Hydroxyphosphinates

Samanta, Sampak, Perera, Sandun, Zhao, Cong-Gui

Journal:

Journal of Organic Chemistry

Year:

2010

Language:

english

File:

PDF, 891 KB

english, 2010

39

Organocatalytic Enantioselective Synthesis of α-Hydroxy Phosphonates

Samanta, Sampak, Zhao, Cong-Gui

Journal:

Journal of the American Chemical Society

Year:

2006

Language:

english

File:

PDF, 32 KB

english, 2006

40

Inverse-Electron-Demand Hetero-Diels−Alder Reaction of β,γ-Unsaturated α-Ketophosphonates Catalyzed by Prolinal Dithioacetals †

Samanta, Sampak, Krause, Jonathan, Mandal, Tanmay, Zhao, Cong-Gui

Journal:

Organic Letters

Year:

2007

Language:

english

File:

PDF, 66 KB

english, 2007

41

Self-assembled monolayer coated gold-nanoparticle catalyzed aerobic oxidation of α-hydroxy ketones in water: an efficient one-pot synthesis of quinoxaline derivatives

Bhattacharya, Tamalika, Sarma, Tridib K., Samanta, Sampak

Journal:

Catalysis Science & Technology

Year:

2012

Language:

english

File:

PDF, 917 KB

english, 2012

42

Catalysis by ionic liquids: solvent-free efficient transthioacetalisation of acetals by molten tetrabutylammonium bromideElectronic supplementary information (ESI) avialable: spectral data of S,S-acetals. See http://www.rsc.org/suppdata/p1/b2/b204363g/

Ranu, Brindaban C., Das, Arijit, Samanta, Sampak

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2002

Language:

english

File:

PDF, 102 KB

english, 2002

43

l-Proline catalyzed highly efficient synthesis of Z-5-alkylidene cyclic sulfamidate imines: an easy access to 5-alkyl-substituted cyclic sulfamidate imines

Majee, Debashis, Srivastava, Anvita, Mobin, Shaikh M., Samanta, Sampak

Journal:

Year:

2013

Language:

english

File:

PDF, 522 KB

english, 2013

44

An organocatalytic highly efficient approach to the direct synthesis of substituted carbazoles in water

Jaiswal, Pradeep Kumar, Biswas, Soumen, Singh, Shivendra, Samanta, Sampak

Journal:

Organic & Biomolecular Chemistry

Year:

2013

Language:

english

File:

PDF, 436 KB

english, 2013

45

A remarkable solvent effect on the reaction of 4-hydroxycoumarin with (E)-3-aryl-2-nitroprop-2-enol: Facile synthesis of highly substituted furo/pyrano[3,2-c]chromenes

Singh, Shivendra, Srivastava, Anvita, Mobin, Shaikh M., Samanta, Sampak

Journal:

Year:

2015

Language:

english

File:

PDF, 1001 KB

english, 2015

46

Organocatalysed Michael addition on arylmethylidenemalonates involving 4-(2-nitrophenyl)acetoacetate: diversity-oriented access to 8,9-dihydropyrido[1,2-a]indol-6(7H)-one and salicylate scaffolds

Srivastava, Anvita, Biswas, Soumen, Singh, Shivendra, Mobin, Shaikh M., Samanta, Sampak

Journal:

Year:

2015

Language:

english

File:

PDF, 823 KB

english, 2015

47

A catalyst-free, efficient green MCR protocol for access to functionalized γ-carbolines in water

Dagar, Anuradha, Biswas, Soumen, Samanta, Sampak

Journal:

Year:

2015

Language:

english

File:

PDF, 676 KB

english, 2015

48

Metal-Free One-Pot Protocol for the Preparation of Unexpected Carbazole Derivative in Water: Easy Access to Pyrimidocarbazole and Pyridocarbazolone Derivatives

Biswas, Soumen, Majee, Debashis, Dagar, Anuradha, Samanta, Sampak

Journal:

Year:

2014

Language:

english

File:

PDF, 228 KB

english, 2014

49

Highly Efficient Transthioacetalization of O,O-Acetals Catalyzed by Indium(III) Chloride

Ranu, Brindaban C., Das, Arijit, Samanta, Sampak

Journal:

Year:

2002

Language:

english

File:

PDF, 68 KB

english, 2002

50

Unusual Cleavage of Ethers by Thiophenol on the Surface of Silica Gel Impregnated with Indium(III) Chloride under Microwave Irradiation: Efficient Procedure for the Synthesis of Thioethers through Transthioetherification

Ranu, Brindaban C., Samanta, Sampak, Hajra, Alakananda

Journal:

Year:

2002

Language:

english

File:

PDF, 40 KB

english, 2002

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