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4 results on '"Robins, Edward G"'

1. Bis-catecholate, bis-dithiocatecholate, and tetraalkoxy diborane(4) compounds: aspects of synthesis and electronic structure

Author

Lawlor, Fiona J., Norman, Nicholas C., Pickett, Nigel L., Robins, Edward G., Nguyen, Paul, Lesley, Gerry, Marder, Todd B., Ashmore, Jennifer A., and Green, Jennifer L.

Subjects
Borane -- Research, Chemistry
Abstract

A study is conducted on a series of stable, crystalline bis-catecholate(super 8a) and bis-dithiocatecholate derivatives. Synthesis, spectroscopic properties and aspects of bonding are obtained using photoelectron spectroscopic measurements and extended Huckel molecular orbital calculations. The tetraaalkoxy diborane compounds B2(OCH2CMe2CH2O)2 and B2(OCMe2CMe2O)2 are also described.

Published
1998

2. Structural studies of bis-catecholate, bis-dithiocatecholate and tetraalkoxy diborane(4) compounds

Author

Clegg, William, Elsegood, Mark R.J., Lawlor, Fiona J., Norman, Nicholas C., Pickett, Nigel L., Robins, Edward G., Scott, Andrew J., Nguyen, Paul, Taylor, Nicholas J., and Marder, Todd B.

Subjects
Borane -- Research, Chemistry
Abstract

A study is conduced on the X-ray crystal structures of bis-catecholate, bis-dithiocatecholate and tetraalkoxy diborane compounds. These include B2(1,2-O2C6H4)2, B2(1,2-O2-4-Bu(super t)C6H3)2, B2(1,2-O2-3,5-Bu(super t)2C6H2)2, B2(1,2-S2C6H4)2, B2(1,2-S2-4-MeC6H3)2 and B2(OCH2CMe2CH2O2)2. The compound (B2Cl4(NHMe2)2) that was isolated as a side product from some reactions is also analyzed.

Published
1998

3. Transition metal-boryl compounds: synthesis, reactivity, and structure

Author

Irvine, Geoffrey J., Lesley, M.J. Gerald, Marder, Todd B., Norman, Nicholas C., Rice, Craig R., Robins, Edward G., Roper, Warren R., Whittell, George R., and Wright, L. James

Subjects
Coordination compounds -- Research, Transition metal compounds -- Research, Boron -- Research, Chemical bonds -- Research, Chemical structure -- Research, Chemistry
Abstract

The synthesis, structure, spectroscopic characteristics and chemical reactions related to metal-boryl compounds were reviewed. The transition metal-boryl compound possesses a covalent two-center, two-electron bond occurring between the metal center and a three-coordinate, sp2-hybridized boron atom. The synthesis of the compound involved the reaction of anionic transition metal complexes with haloboranes and in the absence of these complexes, reactions required a combination of oxidative addition and reduction of hydrogen.

Published
1998

4. Zirconium-mediated synthesis of a new class of 1,4-Bis(diphenylphosphino)-1,3-butadiene-bridged diphosphine, NUPHOS: Highly efficient catalysts for palladium-mediated cross couplings

Author

Doherty, Simon, Knight, Julian G., Robins, Edward G., Scanlan, Tom H., Champkin, Paul A., and Clagg, William

Subjects
Diphosphonates -- Research, Zirconium -- Usage, Chemistry
Abstract

A new type of 1,4-bis(diphenylphosphino)-1,3-butadiene-bridged diphosphine was synthesized using zirconium-mediation.

Published
2001

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