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1

Magnetic field effects on coenzyme B12-dependent enzymes: Validation of ethanolamine ammonia lyase results and extension to human methylmalonyl CoA mutase

Shinichi Taoka, Raghavakaimal Padmakumar, Charles B. Grissom, Ruma Banerjee

Journal:

Bioelectromagnetics

Year:

1997

Language:

english

File:

PDF, 102 KB

english, 1997

2

Ein von Calixarenen abgeleitetes makrocyclisches S4-Octaradikal und sein offenkettiges S5/2-Pentaradikal-Analogon

Prof. Andrzej Rajca, Dr. Suchada Rajca, Dr. Raghavakaimal Padmakumar

Journal:

Angewandte Chemie

Year:

1994

Language:

german

File:

PDF, 433 KB

german, 1994

3

Calixarene-Based Macrocyclic Nonet (S = 4) Octaradical and its Acyclic Sextet (S = 5/2) Pentaradical Analogue

Prof. Andrzej Rajca, Dr. Suchada Rajca, Dr. Raghavakaimal Padmakumar

Journal:

Angewandte Chemie International Edition

Year:

1994

Language:

english

File:

PDF, 385 KB

english, 1994

4

Concerning Tishchenko-Like Side Products in Oxidation of Hydroxymethyl to Formyl Groups.

Guo-Zhiwei Guo-Zhiwei, Raghavakaimal Padmakumar, Rawle I. Hollingsworth, K. V. Radhakrishnan, M. V. Nandakumar, Bert Fraser-Reid

Journal:

Year:

2003

File:

PDF, 92 KB

2003

5

Aromatic 3-aza-Cope rearrangement over zeolites

R. Sreekumar, Raghavakaimal Padmakumar

Journal:

Tetrahedron Letters

Year:

1996

Language:

english

File:

PDF, 114 KB

english, 1996

6

Co-C force constants from resonance Raman spectra of alkylcobalamins: insensitivity to dimethylbenzylimidazole coordination

Shoulian Dong, Raghavakaimal Padmakumar, Ruma Banerjee, Thomas G. Spiro

Journal:

Inorganica Chimica Acta

Year:

1998

Language:

english

File:

PDF, 618 KB

english, 1998

7

Diastereoselective Asymmetric Induction in the Thio-Claisen Rearrangement Over Zeolites

R Sreekumar*, Raghavakaimal Padmakumar

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 531 KB

english, 1997

8

Zeolite: An efficient catalyst for the synthesis of various heterocyclic compounds

R. Sreekumar, P. Rugmini, Raghavakaimal Padmakumar

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 176 KB

english, 1997

9

Zeolite supported permanganate: An efficient catalyst for selective oxidation of enamines, alkylarenes and unsaturated alcohols

R. Sreekumar, Raghavakaimal Padmakumar

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 196 KB

english, 1997

10

Zeolite mediated michael addition of 1,3-dicarbonyl compounds and thiols

R. Sreekumar, P. Rugmini, Raghavakaimal Padmakumar

Journal:

Tetrahedron Letters

Year:

1997

Language:

english

File:

PDF, 182 KB

english, 1997

11

One-pot synthesis of nitroolefins using zeolite

R. Sreekumar, Raghavakaimal Padmakumar, P. Rugmini

Journal:

Tetrahedron Letters

Year:

1998

Language:

english

File:

PDF, 103 KB

english, 1998

12

Simple, Efficient and Convenient Synthesis of Pyrroles and Pyrazoles Using Zeolites.

Sreekumar∗, R., Padmakumar, Raghavakaimal

Journal:

Synthetic Communications

Year:

1998

Language:

english

File:

PDF, 163 KB

english, 1998

13

Friedel-Crafts Acylation of Aromatic Hydrocarbons Using Zeolites

Sreekumar, R., Padmakumar, Raghavakaimal

Journal:

Synthetic Communications

Year:

1997

Language:

english

File:

PDF, 189 KB

english, 1997

14

Co−C Bond Activation in B 12 -Dependent Enzymes: Cryogenic Resonance Raman Studies of Methylmalonyl-Coenzyme A Mutase

Dong, Shoulian, Padmakumar, Raghavakaimal, Banerjee, Ruma, Spiro, Thomas G.

Journal:

Journal of the American Chemical Society

Year:

1999

Language:

english

File:

PDF, 253 KB

english, 1999

15

Synthesis of [1.1.1.1]Metacyclophane Macrocycle

Rajca, Andrzej, Padmakumar, Raghavakaimal, Smithhisler, Donald J., Desai, Shailesh R., Ross, Charles R., Stezowski, John J.

Journal:

Journal of Organic Chemistry

Year:

1994

Language:

english

File:

PDF, 447 KB

english, 1994

16

Evidence that Cobalt−Carbon Bond Homolysis is Coupled to Hydrogen Atom Abstraction from Substrate in Methylmalonyl-CoA Mutase †

Padmakumar, Rugmini, Padmakumar, Raghavakaimal, Banerjee, Ruma

Journal:

Year:

1997

Language:

english

File:

PDF, 140 KB

english, 1997

17

Resonance Raman Co−C Stretching Frequencies Reflect Bond Strength Changes in Alkyl Cobalamins, but Are Unaffected by Trans Ligand Substitution

Dong, Shoulian, Padmakumar, Raghavakaimal, Banerjee, Ruma, Spiro, Thomas G.

Journal:

Journal of the American Chemical Society

Year:

1996

Language:

english

File:

PDF, 205 KB

english, 1996

18

Resonance Raman Spectra Show That Coenzyme B 12 Binding to Methylmalonyl-Coenzyme A Mutase Changes the Corrin Ring Conformation but Leaves the Co−C Bond Essentially Unaffected

Dong, Shoulian, Padmakumar, Raghavakaimal, Maiti, Nilesh, Banerjee, Ruma, Spiro, Thomas G.

Journal:

Journal of the American Chemical Society

Year:

1998

Language:

english

File:

PDF, 83 KB

english, 1998

19

Coenzyme B12 Is Coordinated by Histidine and Not Dimethylbenzimidazole on Methylmalonyl-CoA Mutase. [Erratum to document cited in CA123:78304]

Padmakumar, Rugmini, Taoka, Shinichi, Padmakumar, Raghavakaimal, Banerjee, Ruma

Journal:

Journal of the American Chemical Society

Year:

1995

Language:

english

File:

PDF, 133 KB

english, 1995

20

Stopped-Flow Kinetic Analysis of Escherichia coli Taurine/α-Ketoglutarate Dioxygenase: Interactions with α-Ketoglutarate, Taurine, and Oxygen †

Ryle, Matthew J., Padmakumar, Raghavakaimal, Hausinger, Robert P.

Journal:

Year:

1999

Language:

english

File:

PDF, 161 KB

english, 1999

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