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1

Acyl transfer reactions of carbohydrates, alcohols, phenols, thiols and thiophenols under green reaction conditions

Giri, Santosh Kumar, Kartha, K. P. Ravindranathan

Journal:

Year:

2015

Language:

english

File:

PDF, 1.04 MB

english, 2015

2

A Simplified, One-Pot Preparation of Acetobromosugars from Reducing Sugars

Kartha, K. P. Ravindranathan, Jennings, Harold J.

Journal:

Journal of Carbohydrate Chemistry

Year:

1990

Language:

english

File:

PDF, 221 KB

english, 1990

3

ChemInform Abstract: Iodine and Its Interhalogen Compounds: Versatile Reagents in Carbohydrate Chemistry. Part 25. A Facile and Convenient Synthesis of Disarmed Glycosyl Fluorides Using in situ Generated Iodine Monofluoride.

Mugunthan, G., Kartha, K. P. Ravindranathan

Journal:

Year:

2013

File:

PDF, 30 KB

2013

4

ChemInform Abstract: Iodine and Its Interhalogen Compounds: Versatile Reagents in Carbohydrate Chemistry. Part 9. A Mild and Selective Deprotection of tert-Butyldimethylsilyl (TBDMS) Ethers in the Presence of Various Protecting Groups Using Iodine Monobromide.

K. P. Ravindranathan Kartha, Robert A. Field

Journal:

Year:

1999

File:

PDF, 29 KB

1999

5

ChemInform Abstract: Iodine and Its Interhalogen Compounds: Versatile Reagents in Carbohydrate Chemistry. Part 12. Tuning Promoter Reactivity for Thioglycoside Activation.

Peter Cura, Mahmoud Aloui, K. P. Ravindranathan Kartha, Robert A. Field

Journal:

Year:

2000

File:

PDF, 28 KB

2000

6

ChemInform Abstract: Iodine and Its Interhalogen Compounds: Versatile Reagents in Carbohydrate Chemistry. Part 13. General Activation of “Armed” Glycosyl Donors.

K. P. Ravindranathan Kartha, Tiina S. Kaerkkaeinen, Steven J. Marsh, Robert A. Field

Journal:

Year:

2001

File:

PDF, 28 KB

2001

7

ChemInform Abstract: Iodine and Its Interhalogen Compounds. Versatile Reagents in Carbohydrate Chemistry. Part 14. Glycosylated Amino Acid Synthesis.

K. P. Ravindranathan Kartha, Lluis Ballell, Julia Bilke, Michael McNeil, Robert A. Field

Journal:

Year:

2001

File:

PDF, 30 KB

2001

8

Iodine: A Versatile Reagent in Carbohydrate Chemistry. Part 15. Observations on Iodine-Promoted β-Mannosylation.

Steven J. Marsh, K. P. Ravindranathan Kartha, Robert A. Field

Journal:

Year:

2003

File:

PDF, 122 KB

2003

9

Synthesis and Activation of Carbohydrate Donors: Thioglycosides and Sulfoxides

K. P. Ravindranathan Kartha, Robert A. Field

Journal:

Year:

2004

File:

PDF, 51 KB

2004

10

Iodine: A Versatile Reagent in Carbohydrate Chemistry. Part 16. Streamlined Synthesis of Per-O-acetylated Sugars, Glycosyl Iodides, or Thioglycosides from Unprotected Reducing Sugars.

Balaram Mukhopadhyay, K. P. Ravindranathan Kartha, David A. Russell, Robert A. Field

Journal:

Year:

2005

File:

PDF, 39 KB

2005

11

Iodine Promoted Glycosylation with Glycosyl Iodides: α-Glycoside Synthesis.

Renate M. van Well, K. P. Ravindranathan Kartha, Robert A. Field

Journal:

Year:

2005

File:

PDF, 24 KB

2005

12

ChemInform Abstract: Solvent-Free Synthesis of Thioglycosides by Ball Milling.

Premanand Ramrao Patil, K. P. Ravindranathan Kartha

Journal:

Year:

2009

File:

PDF, 30 KB

2009

13

ChemInform Abstract: Novel Selectivity in Carbohydrate Reactions. Part 4. DABCO-Mediated Regioselective Primary Hydroxyl Protection of Carbohydrates.

Bharat Kacheshwar Gadakh, Premanand Ramrao Patil, Satish Malik, K. P. Ravindranathan Kartha

Journal:

Year:

2009

File:

PDF, 30 KB

2009

14

ChemInform Abstract: Carbohydrate and Nucleoside Chemistry by Ball Milling

G. Mugunthan, K. P. Ravindranathan Kartha

Journal:

Year:

2010

File:

PDF, 15 KB

2010

15

ChemInform Abstract: Indium(III) Triflate-Mediated One-Step Preparation of Glycosyl Halides from Free Sugars.

Santosh Kumar Giri, K. P. Ravindranathan Kartha

Journal:

Year:

2011

File:

PDF, 33 KB

2011

16

ChemInform Abstract: Synthesis and Screening of Galactose-Linked Nitroimidazoles and Triazoles Against Mycobacterium tuberculosis.

G. Muguntan, Kuppala Ramakrishna, Dharmarajan Sriram, Perumal Yogeeswari, K. P. Ravindranathan Kartha

Journal:

Year:

2012

File:

PDF, 49 KB

2012

17

ChemInform Abstract: DABCO: An Efficient Promoter for the Acetylation of Carbohydrates and Other Substances under Solvent-Free Conditions.

Ratnasekhar Ch, Mohit Tyagi, Premanand Ramrao Patil, K. P. Ravindranathan Kartha

Journal:

Year:

2012

File:

PDF, 53 KB

2012

18

Synthesis of the α-Neu5Ac-(2→6)-Gal structure. Facile 6-O-sialylation following stannylene activation of an unprotected d-galactopyranoside

Takatoshi Murase, K.P. Ravindranathan Kartha, Makoto Kiso, Akira Hasegawa

Journal:

Carbohydrate Research

Year:

1989

Language:

english

File:

PDF, 301 KB

english, 1989

19

A facile, one-step procedure for the conversion of 2-(trimethylsilyl) ethyl glycosides to their glycosyl chlorides

K.P. Ravindranathan Kartha, Harold J. Jennings

Journal:

Tetrahedron Letters

Year:

1990

Language:

english

File:

PDF, 223 KB

english, 1990

20

Iodine: A versatile reagent in carbohydrate chemistry II. Efficient chemospecific activation of thiomethylglycosides

K.P. Ravindranathan Kartha, Mahmoud Aloui, Robert A. Field

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 243 KB

english, 1996

21

A simple, mild, and regioselective method for the benzylation of carbohydrate derivatives promoted by silver carbonate

Satish Malik, Vaibhav A. Dixit, Prasad V. Bharatam, K.P. Ravindranathan Kartha

Journal:

Carbohydrate Research

Year:

2010

Language:

english

File:

PDF, 329 KB

english, 2010

22

Synthesis and screening of (E)-1-(β-d-galactopyranosyl)-4-(aryl)but-3-ene-2-one against Mycobacterium tuberculosis

G. Mugunthan, Kuppala Ramakrishna, Dharmarajan Sriram, Perumal Yogeeswari, K.P. Ravindranathan Kartha

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2011

Language:

english

File:

PDF, 1.04 MB

english, 2011

23

Contrasting reactivity of thioglucoside and selenoglucoside donors towards promoters: implications for glycosylation stereocontrol

Renate M. van Well, Tiina S. Kärkkäinen, K.P. Ravindranathan Kartha, Robert A. Field

Journal:

Carbohydrate Research

Year:

2006

Language:

english

File:

PDF, 152 KB

english, 2006

24

Iodine-mediated glycosylation en route to mucin-related glyco-aminoacids and glycopeptides

Tiina S. Kärkkäinen, K.P. Ravindranathan Kartha, Derek MacMillan, Robert A. Field

Journal:

Carbohydrate Research

Year:

2008

Language:

english

File:

PDF, 141 KB

english, 2008

25

Iodine-hexamethyldisilane (HMDS)-mediated anomerization of peracetylated 1,2-trans-linked alkyl and aryl glycosides

Satish Malik, Krupesh J. Shah, K.P. Ravindranathan Kartha

Journal:

Carbohydrate Research

Year:

2010

Language:

english

File:

PDF, 825 KB

english, 2010

26

Iodine–sodium cyanoborohydride-mediated reductive ring opening of 4,6-O-benzylidene acetals of hexopyranosides

Kaki Venkata Rao, Premanand R. Patil, Sridhar Atmakuri, K.P. Ravindranathan Kartha

Journal:

Carbohydrate Research

Year:

2010

Language:

english

File:

PDF, 464 KB

english, 2010

27

Practical synthesis of the 2-acetamido-3,4,6-tri-O-acetyl-2-deoxy-β-d-glucosides of Fmoc-serine and Fmoc-threonine and their benzyl esters

Ivone Carvalho, Shona L Scheuerl, K.P Ravindranathan Kartha, Robert A Field

Journal:

Carbohydrate Research

Year:

2003

Language:

english

File:

PDF, 157 KB

english, 2003

28

Observations on chemical and enzymatic approaches to α-2,3-sialylated octyl β-lactoside

W.Bruce Turnbull, Jennifer A Harrison, K.P Ravindranathan Kartha, Sergio Schenkman, Robert A Field

Journal:

Year:

2002

Language:

english

File:

PDF, 236 KB

english, 2002

29

Iodine: A versatile reagent in carbohydrate chemistry III. Efficient activation of glycosyl halides in combination with DDQ

K.P.Ravindranathan Kartha, Mahmoud Aloui, Robert A Field

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 255 KB

english, 1996

30

Glycosylation chemistry promoted by iodine monobromide: Efficient synthesis of glycosyl bromides from thioglycosides, and O-glycosides from ‘disarmed’ thioglycosides and glycosyl bromides

K.P. Ravindranathan Kartha, Robert A. Field

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 258 KB

english, 1997

31

Adaptation of an NMR signal suppression pulse sequence for the selective removal of benzylic methylene signals of benzyl ether-protected carbohydrates

Trevor J. Rutherford, K.P.Ravindranathan Kartha, S.Kristy Readman, Peter Cura, Robert A. Field

Journal:

Tetrahedron Letters

Year:

1999

Language:

english

File:

PDF, 189 KB

english, 1999

32

Observations on the activation of methyl thioglycosides by iodine and its interhalogen compounds

K.P.Ravindranathan Kartha, Peter Cura, Mahmoud Aloui, S.Kristy Readman, Trevor J Rutherford, Robert A Field *

Journal:

Tetrahedron: Asymmetry

Year:

2000

Language:

english

File:

PDF, 370 KB

english, 2000

33

Hydrolase and sialyltransferase activities of Trypanosoma cruzi trans-sialidase towards NeuAc-α-2,3-Gal-β-O-PNP

Jennifer A Harrison, K.P.Ravindranathan Kartha, W.Bruce Turnbull, Shona L Scheuerl, James H Naismith, Sergio Schenkman, Robert A Field

Journal:

Bioorganic & Medicinal Chemistry Letters

Year:

2001

Language:

english

File:

PDF, 338 KB

english, 2001

34

Practical de-O-acylation reactions promoted by molecular sieves

K.P Ravindranathan Kartha, Balaram Mukhopadhyay, Robert A Field

Journal:

Carbohydrate Research

Year:

2004

Language:

english

File:

PDF, 244 KB

english, 2004

35

Iodine: A versatile reagent in carbohydrate chemistry IV. Per-O-acetylation, regioselective acylation and acetolysis

K.P.Ravindranathan Kartha, Robert A. Field

Journal:

Year:

1997

Language:

english

File:

PDF, 882 KB

english, 1997

36

Solvent-free synthesis of thioglycosides by ball milling

Ramrao Patil, Premanand, Ravindranathan Kartha, K. P.

Journal:

Green Chemistry

Year:

2009

Language:

english

File:

PDF, 142 KB

english, 2009

37

FTIR spectroscopic study of the interaction of CO2 and CO2 + H2 over partially oxidized RuTiO2 catalyst

N.M. Gupta, V.S. Kamble, V.B. Kartha, R.M. Iyer, K.Ravindranathan Thampi, M. Gratzel

Journal:

Journal of Catalysis

Year:

1994

Language:

english

File:

PDF, 907 KB

english, 1994

38

Synthesis and biological evaluation of sugar-derived chiral nitroimidazoles as potential antimycobacterial agents

G. Mugunthan, Dharmarajan Sriram, Perumal Yogeeswari, K.P. Ravindranathan Kartha

Journal:

Carbohydrate Research

Year:

2011

Language:

english

File:

PDF, 1.03 MB

english, 2011

39

Synthetic analogues of mycobacterial arabinogalactan linkage-disaccharide part II: synthesis and preliminary screening of lipophilic O-alkyl glycosides

G. Mugunthan, Dharmarajan Sriram, Perumal Yogeeswari, K.P. Ravindranathan Kartha

Journal:

Carbohydrate Research

Year:

2011

Language:

english

File:

PDF, 351 KB

english, 2011

40

Synthesis and screening of galactose-linked nitroimidazoles and triazoles against Mycobacterium tuberculosis

G. Mugunthan, Kuppala Ramakrishna, Dharmarajan Sriram, Perumal Yogeeswari, K.P. Ravindranathan Kartha

Journal:

European Journal of Medicinal Chemistry

Year:

2011

Language:

english

File:

PDF, 360 KB

english, 2011

41

DABCO: an efficient promoter for the acetylation of carbohydrates and other substances under solvent-free conditions

Ratnasekhar Ch, Mohit Tyagi, Premanand Ramrao Patil, K.P. Ravindranathan Kartha

Journal:

Tetrahedron Letters

Year:

2011

Language:

english

File:

PDF, 831 KB

english, 2011

42

Synthesis and Preliminary Screening of O-β- D-Galactopyranosides as Potential Mimic of UDP-Gal p against Mycobacterium tuberculosis

Mugunthan, G., Sriram, Dharmarajan, Yogeeswari, Perumal, Kartha, K. P. Ravindranathan

Journal:

Journal of Carbohydrate Chemistry

Year:

2012

Language:

english

File:

PDF, 1.03 MB

english, 2012

43

Flexible enzymatic and chemo-enzymatic approaches to a broad range of uridine-diphospho-sugars

Errey, James C., Mukhopadhyay, Balaram, Kartha, K. P. Ravindranathan, Field, Robert A.

Journal:

Chemical Communications

Year:

2004

Language:

english

File:

PDF, 241 KB

english, 2004

44

Novel Selectivity in Carbohydrate Reactions, IV: DABCO-Mediated Regioselective Primary Hydroxyl Protection of Carbohydrates

Gadakh, Bharat Kacheshwar, Patil, Premanand Ramrao, Malik, Satish, Kartha, K. P. Ravindranathan

Journal:

Synthetic Communications

Year:

2009

Language:

english

File:

PDF, 259 KB

english, 2009

45

Probing the acceptor substrate binding site of Trypanosoma cruzi trans-sialidase with systematically modified substrates and glycoside libraries

Harrison, Jennifer A., Kartha, K. P. Ravindranathan, Fournier, Eric J. L., Lowary, Todd L., Malet, Carles, Nilsson, Ulf J., Hindsgaul, Ole, Schenkman, Sergio, Naismith, James H., Field, Robert A.

Journal:

Organic & Biomolecular Chemistry

Year:

2011

Language:

english

File:

PDF, 476 KB

english, 2011

46

Iodine and its interhalogen compounds: versatile reagents in carbohydrate chemistry. XIV. Glycosylated amino acid synthesis

Ravindranathan Kartha, K. P., Ballell, Lluis, Bilke, Julia, McNeil, Michael, Field, Robert A.

Journal:

Journal of the Chemical Society Perkin Transactions 1

Year:

2001

Language:

english

File:

PDF, 89 KB

english, 2001

47

Synthesis of self-assembling glycerotriazolophanes

Tyagi, Mohit, Taxak, Nikhil, Bharatam, Prasad V., Kartha, K. P. Ravindranathan

Journal:

Year:

2012

Language:

english

File:

PDF, 511 KB

english, 2012

48

Glycosylation with in situ separation: carbohydrate chemistry on a TLC plate

Mukhopadhyay, Balaram, Cura, Peter, Kartha, K. P. Ravindranathan, Botting, Catherine H., Field, Robert A.

Journal:

Organic & Biomolecular Chemistry

Year:

2005

Language:

english

File:

PDF, 141 KB

english, 2005

49

Streamlined Synthesis of Per- O -acetylated Sugars, Glycosyl Iodides, or Thioglycosides from Unprotected Reducing Sugars 1

Mukhopadhyay, Balaram, Kartha, K. P. Ravindranathan, Russell, David A., Field, Robert A.

Journal:

Journal of Organic Chemistry

Year:

2004

Language:

english

File:

PDF, 89 KB

english, 2004

50

Iodine and Its Interhalogen Compounds: Versatile Reagents in Carbohydrate Chemistry V. Synthesis of 1,2-trans-Linked 1-Thioglycosides from the Per-O-acetylated Glycoses

Kartha, K. P. Ravindranathan, Field, Robert

Journal:

Journal of Carbohydrate Chemistry

Year:

1998

Language:

english

File:

PDF, 516 KB

english, 1998

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