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1

Cultural competence in evaluation: An overview

Saumitra SenGupta, Rodney Hopson, Melva Thompson-Robinson

Journal:

New Directions for Evaluation

Year:

2004

Language:

english

File:

PDF, 73 KB

english, 2004

2

ChemInform Abstract: Trivinylogues of Crystal Violet: Synthesis and Absorption Properties of New Near-IR Dyes

Saumitra Sengupta, Subir Kumar Sadhukhan

Journal:

Year:

2001

File:

PDF, 29 KB

2001

3

Probing the effect of gegenions in Heck reactions of arenediazonium salts: Arenediazonium perchlorates and fluorides as new Heck-substrates

Saumitra Sengupta, Subir Kumar Sadhukhan, Sanchita Bhattacharyya

Journal:

Year:

1997

Language:

english

File:

PDF, 318 KB

english, 1997

4

Target rocks, impact glasses, and melt rocks from the Lonar impact crater, India: Petrography and geochemistry

Shiloh Osae, Saumitra Misra, Christian Koeberl, Debashish Sengupta, Sambhunath Ghosh

Journal:

Meteoritics and Planetary Science

Year:

2005

Language:

english

File:

PDF, 2.29 MB

english, 2005

5

Geochemical identification of impactor for Lonar crater, India

Saumitra MISRA, Horton E. NEWSOM, M. SHYAM PRASAD, John W. GEISSMAN, Anand DUBE, Debashish SENGUPTA

Journal:

Meteoritics and Planetary Science

Year:

2009

Language:

english

File:

PDF, 6.77 MB

english, 2009

6

Late stage modification of peptides via C H activation reactions

Sengupta, Saumitra, Mehta, Goverdhan

Journal:

Tetrahedron Letters

Year:

2017

Language:

english

File:

PDF, 1.20 MB

english, 2017

7

Natural products as modulators of the cyclic-AMP pathway: evaluation and synthesis of lead compounds

Sengupta, Saumitra, Mehta, Goverdhan

Journal:

Organic & Biomolecular Chemistry

Year:

2018

Language:

english

File:

PDF, 4.97 MB

english, 2018

8

ChemInform Abstract: Amino Acid Derived Morpholine Amides for Nucleophilic α-Amino Acylation Reactions: A New Synthetic Route to Enantiopure α-Amino Ketones.

Saumitra Sengupta, Somnath Mondal, Debasis Das

Journal:

Year:

1999

File:

PDF, 30 KB

1999

9

ChemInform Abstract: Stereoselective Reduction of N-phthaloyl α-Amino Ketones: An Expeditious New Synthesis of Non-Racemic threo-α-Amino Epoxides.

Saumitra Sengupta, Debarati Sen Sarma, Debasis Das

Journal:

Year:

1999

File:

PDF, 30 KB

1999

10

ChemInform Abstract: Heck Reaction of Bis-arenediazonium Salts with Vinyltriethoxysilane: A New Synthetic Protocol for Poly(1,4-arylenevinylene)s.

Saumitra Sengupta, Subir K. Sadhukhan

Journal:

Year:

1999

File:

PDF, 28 KB

1999

11

ChemInform Abstract: InCl3: A New Lewis Acid Catalyst for Reactions with α-Diazocarbonyl Compounds.

Saumitra Sengupta, Somnath Mondal

Journal:

Year:

2000

File:

PDF, 35 KB

2000

12

ChemInform Abstract: Stereoselective Reduction of N-Phthaloyl α-Amino Ketones: An Expeditious Synthesis of Statine.

Saumitra Sengupta, Debarati Sen Sarma

Journal:

Year:

2000

File:

PDF, 31 KB

2000

13

ChemInform Abstract: Intermolecular O—H Insertion Reactions of L-Tartrate Derived α-Diazo Ketones: Synthesis of Xylulose Derivatives.

Saumitra Sengupta, Debasis Das

Journal:

Year:

2000

File:

PDF, 30 KB

2000

14

ChemInform Abstract: Catalyzed Reactions of α-Amino Diazoketones with Allyl Sulfides: A New Synthetic Protocol for α-Amino Homoallyl Ketones en Route to 3-Piperidinol Alkaloids.

Saumitra Sengupta, Somnath Mondal

Journal:

Year:

2000

File:

PDF, 38 KB

2000

15

ChemInform Abstract: Synthesis of (2R,3S)-3-(N,N-Dibenzylamino)-1-thiophenylbutan-2-ol.

Saumitra Sengupta, Debarati Sen Sarma

Journal:

Year:

2000

File:

PDF, 30 KB

2000

16

ChemInform Abstract: InCl3-Catalyzed Reactions of Ethyl Diazoacetate with Aldimines: A Highly Diastereoselective Synthesis of cis-Aziridine Carboxylates.

Saumitra Sengupta, Somnath Mondal

Journal:

Year:

2000

File:

PDF, 29 KB

2000

17

ChemInform Abstract: Diastereoselective Reduction of N-Phthaloyl α-Amino Ketones: Synthesis of syn-3-Amino-1,2-diol Derivatives.

Saumitra Sengupta, Debarati Sen Sarma

Journal:

Year:

2001

File:

PDF, 32 KB

2001

18

ChemInform Abstract: Heck Reactions of ortho-Substituted Arenediazonium Salts: Critical Observations on Electronic Effects.

Saumitra Sengupta, Sanchita Bhattacharyya

Journal:

Year:

2001

File:

PDF, 29 KB

2001

19

ChemInform Abstract: Synthetic Studies on Dendritic Glycoclusters: A Convergent Palladium-Catalyzed Strategy.

Saumitra Sengupta, Subir Kumar Sadhukhan

Journal:

Year:

2001

File:

PDF, 23 KB

2001

20

ChemInform Abstract: Zinc Borohydride Reduction of α-Amino Ketones: A Highly Diastereoselective Synthetic Route to anti-γ-Hydroxy-β-amino Alcohols.

Saumitra Sengupta, Debasis Das, Somnath Mondal

Journal:

Year:

2001

File:

PDF, 34 KB

2001

21

ChemInform Abstract: Heck Reactions of Arenediazonium Salts with Phenyl Vinyl Sulfone: A New Synthesis of Styryl Sulfones.

Saumitra Sengupta, Subir Kumar Sadhukhan, Rajkumar Sunil Singh

Journal:

Year:

2002

File:

PDF, 28 KB

2002

22

ChemInform Abstract: A Palladium-Catalyzed Synthesis of Wheel and Axle Hydrocarbons: Strategic Use of Tetraphenylmethane Stoppers.

Saumitra Sengupta, Subir Kumar Sadhukhan, Rajkumar Sunil Singh

Journal:

Year:

2002

File:

PDF, 32 KB

2002

23

ChemInform Abstract: A Facile Synthesis of Texamine.

Saumitra Sengupta, Somnath Mondal

Journal:

Year:

2002

File:

PDF, 26 KB

2002

24

Synthetic Studies on Tetrastilbenylmethane Dendrimers: Preparation and Optical Properties of a Second Generation Dendron.

Saumitra Sengupta, Subir Kumar Sadhukhan

Journal:

Year:

2003

File:

PDF, 49 KB

2003

25

A Ferrocene Dendrimer Based on a Cyclotriphosphazene Core.

Saumitra Sengupta

Journal:

Year:

2003

File:

PDF, 47 KB

2003

26

Palladium-Catalyzed Alkynylation of Aryl Halides (Sonogashira Reaction) in Water.

Santanu Bhattacharya, Saumitra Sengupta

Journal:

Year:

2005

File:

PDF, 27 KB

2005

27

A Chiral Pool Based Synthetic Strategy for γ-Hydroxyalkyl-Δ2-butenolides.

Saumitra Sengupta, Somnath Mondal

Journal:

Year:

2005

File:

PDF, 23 KB

2005

28

Remarkably Facile Heck and Suzuki Reactions in Water Using a Simple Cationic Surfactant and Ligand-Free Palladium Catalysts.

Santanu Bhattacharya, Aasheesh Srivastava, Saumitra Sengupta

Journal:

Year:

2005

File:

PDF, 24 KB

2005

29

Editors' notes

Melva Thompson-Robinson, Rodney Hopson, Saumitra SenGupta

Journal:

New Directions for Evaluation

Year:

2004

Language:

english

File:

PDF, 32 KB

english, 2004

30

Aqueous Heck reaction of amino acid derived arenediazonium salts: Semisynthetic modification of phenylalanine and tyrosine

Saumitra Sengupta, Sanchita Bhattacharyya

Journal:

Tetrahedron Letters

Year:

1995

Language:

english

File:

PDF, 162 KB

english, 1995

31

7-Hydroxy-4-methyl-8-(4′-methylpiperazine-1′-yl)methyl coumarin: An efficient probe for fluorescence resonance energy transfer to a bioactive indoloquinolizine system

Arabinda Mallick, Basudeb Haldar, Saumitra Sengupta, Nitin Chattopadhyay

Journal:

Journal of Luminescence

Year:

2006

Language:

english

File:

PDF, 243 KB

english, 2006

32

Photophysical studies of 7-hydroxy-4-methyl-8-(4′-methylpiperazin-1′-yl) methylcoumarin: A new fluorescent chemosensor for zinc and nickel ions in water

Nitin Chattopadhyay, Arabinda Mallick, Saumitra Sengupta

Journal:

Journal of Photochemistry and Photobiology A: Chemistry

Year:

2006

Language:

english

File:

PDF, 238 KB

english, 2006

33

A stilbene dendrimer with caltrop-shaped dendrons: synthesis and photophysical studies

Saumitra Sengupta, Sanjukta Muhuri

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 272 KB

english, 2004

34

Palladium catalyzed alkynylation of aryl halides (Sonogashira reaction) in water

Santanu Bhattacharya, Saumitra Sengupta

Journal:

Tetrahedron Letters

Year:

2004

Language:

english

File:

PDF, 261 KB

english, 2004

35

Photophysical studies on multichromophoric cyclotriphosphazenes. Trinuclear excimer formation in hexakis(2-naphthyloxy)cyclotriphosphazene

Nitin Chattopadhyay, Basudeb Haldar, Arabinda Mallick, Saumitra Sengupta

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 134 KB

english, 2005

36

Remarkably facile Heck and Suzuki reactions in water using a simple cationic surfactant and ligand-free palladium catalysts

Santanu Bhattacharya, Aasheesh Srivastava, Saumitra Sengupta

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 150 KB

english, 2005

37

Corrigendum to “Remarkably facile Heck and Suzuki reactions in water using a simple cationic surfactant and ligand-free palladium catalysts”: [Tetrahedron Lett. 46 (2005) 3557]

Santanu Bhattacharya, Aasheesh Srivastava, Saumitra Sengupta

Journal:

Tetrahedron Letters

Year:

2005

Language:

english

File:

PDF, 45 KB

english, 2005

38

Synthetic studies on dendritic glycoclusters: a convergent palladium-catalyzed strategy

Saumitra Sengupta, Subir Kumar Sadhukhan

Journal:

Carbohydrate Research

Year:

2001

Language:

english

File:

PDF, 101 KB

english, 2001

39

An intramolecular Michael reaction strategy for the synthesis of 2,6-disubstituted-3-piperidinols

Saumitra Sengupta, Somnath Mondal

Journal:

Year:

2002

Language:

english

File:

PDF, 120 KB

english, 2002

40

γ-Amino-β-ketosulfones as chiral educts: A facile synthesis of enantiopure α-amino ketones

Saumitra Sengupta, Debarati Sen Sarma, Somnath Mondal

Journal:

Year:

1998

Language:

english

File:

PDF, 426 KB

english, 1998

41

Catalyzed reactions of α-amino diazoketones with allyl sulfides: a new synthetic protocol for α-amino homoallyl ketones en route to 3-piperidinol alkaloids

Saumitra Sengupta, Somnath Mondal

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 148 KB

english, 2000

42

InCl3 catalyzed reactions of ethyl diazoacetate with aldimines: a highly diastereoselective synthesis of cis-aziridine carboxylates

Saumitra Sengupta, Somnath Mondal

Journal:

Tetrahedron Letters

Year:

2000

Language:

english

File:

PDF, 139 KB

english, 2000

43

Diastereoselective reduction of N-phthaloyl α-amino ketones: synthesis of syn-3-amino-1,2-diol derivatives

Saumitra Sengupta, Debarati Sen Sarma

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 75 KB

english, 2001

44

Facile desilylative hydroxyalkylation and acylation of 1-trimethylsilylmethyl-2-pyridone

Alan R. Katritzky, Saumitra Sengupta

Journal:

Tetrahedron Letters

Year:

1987

Language:

english

File:

PDF, 245 KB

english, 1987

45

The 2-(trimethylsilyl)ethoxymethoxy (OSEM) directed ortho metalation group. New regiospecific synthetic routes to substituted benzenes and pyridines

Saumitra Sengupta, Victor Snieckus

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 243 KB

english, 1990

46

Heck reactions of ortho-substituted arenediazonium salts: critical observations on electronic effects

Saumitra Sengupta, Sanchita Bhattacharyya

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 76 KB

english, 2001

47

Tetraphenylmethane-based tectons in dendrimer synthesis: convergent assembly of ferrocene dendrimers

Saumitra Sengupta, Subir Kumar Sadhukhan

Journal:

Tetrahedron Letters

Year:

2001

Language:

english

File:

PDF, 77 KB

english, 2001

48

Synthesis of dendritic stilbenoid compounds: Heck reactions for the periphery and the core

Saumitra Sengupta, Subir Kumar Sadhukhan, Rajkumar Sunil Singh, Nilasish Pal

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 162 KB

english, 2002

49

A tetraphenylmethane based starburst triarylamine cluster: spectroscopy, electrochemistry and morphological studies

Saumitra Sengupta, Subir Kumar Sadhukhan, Sanjukta Muhuri

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 115 KB

english, 2002

50

Tetraphenylmethane based tectons in dendrimer synthesis: preparation and energy transfer properties of a dendritic stilbene–anthracene dyad

Saumitra Sengupta, Nilasish Pal

Journal:

Tetrahedron Letters

Year:

2002

Language:

english

File:

PDF, 150 KB

english, 2002

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