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Cover Image for Interview with Ruth Lesesne View Article
Interview with Ruth Lesesne
Ruth Lesesne
Jan 01, 0001
Interview with Ruth Lesesne, member of the South Carolina Mothers Association.
Oral History United States History Women's History
Published by: Winthrop University
Cover Image for Interview with Ruth Erline Mathis Martin View Article
Interview with Ruth Erline Mathis Martin
Ruth Erline Mathis Martin, Sickle Cell Anemia
Jan 01, 0001
In her June 1984 interview with Michael Cooke, Ruth Erline Mathis Martin (1934-2020) discussed her time as a DHEC employee in the sickle cell anemia program. She covered topics of DHEC's involvement with community groups, sickle...
sickle cell anemia Department of Health and Environmental Control James R. Clark Sickle Cell Foundation community groups Oral History
Published by: Winthrop University
Cover Image for Miss Ruth Dacus of Rock Hill Jan. 10, 1947 View Article
Miss Ruth Dacus of Rock Hill Jan. 10, 1947
Winthrop News Service
Jan 01, 0001
Miss Ruth Dacus of Rock Hill has joined the Winthrop College library staff as circulation assistant. Miss Dacus is a Winthrop Graduate, earned her B.A. and B.S degrees in library science from George Peabody College.
Published by: Winthrop University
Cover Image for Rapid Metal-Free Formation of Free Phosphines from Phosphine Oxides View Article
Rapid Metal-Free Formation of Free Phosphines from Phosphine Oxides
Cei Provis-Evans, Emma Anna Carolina Emanuelsson, Ruth Webster
Oct 31, 2018

A rapid method for the reduction of secondary phosphine oxides under mild conditions has been developed, allowing simple isolation of the corresponding free phosphines. The methodology involves the use of pinacol borane...

phosphine oxide pinacol borane Reduction
Cover Image for Iron catalyzed hydroboration View Article
Iron catalyzed hydroboration
Maialen Espinal, Callum R. Woof, Ruth Webster
Aug 06, 2016
Cover Image for Phosphine- and Amine-Borane Dehydrocoupling Using a Three Coordinate Iron(II) β-Diketiminate Pre-Catalyst View Article
Phosphine- and Amine-Borane Dehydrocoupling Using a Three Coordinate Iron(II) β-Diketiminate Pre-Catalyst
Nathan Coles, Mary Mahon, Ruth Webster
Jun 12, 2017
Cover Image for Iron-Catalyzed H/D Exchange of Primary Silanes, Secondary Silanes and Tertiary Siloxanes View Article
Iron-Catalyzed H/D Exchange of Primary Silanes, Secondary Silanes and Tertiary Siloxanes
Tom Linford-Wood, Mary Mahon, Matthew Grayson, Ruth Webster
Mar 04, 2022
A synthetic study into the catalytic hydrogen/deuterium (H/D) exchange of 1° silanes, 2° silanes, and 3° siloxanes is presented, facilitated by iron-β-diketiminato complexes (1a and 1b). Near-complete H/D exchange is observed...
density functional theory deuterium labeling iron catalysis mechanistic investigations Silanes Siloxanes
Cover Image for Seeking Heteroatom-Rich Compounds View Article
Seeking Heteroatom-Rich Compounds
Danila Gasperini, Andrew King, Nathan Coles, Mary Mahon, Ruth Webster
Jun 05, 2020

A detailed synthetic investigation into the dehydrocoupling of silanes with amines, phosphines, and alcohols using an iron precatalyst (1) is presented. We have furnished over 30 examples of aminosilane synthesis along with...

dehydrocoupling homogeneous catalysis Iron reaction mechanisms Silanes
Cover Image for Regioselective Alkyne Cyclotrimerization with an In Situ-Generated [Fe(II)H(salen)]·Bpin Catalyst View Article
Regioselective Alkyne Cyclotrimerization with an In Situ-Generated [Fe(II)H(salen)]·Bpin Catalyst
Cei Provis-Evans, Samantha Lau, Vera Krewald, Ruth Webster
Sep 04, 2020
A mild, efficient, and regiospecific catalytic cyclotrimerization of alkynes to form 1,2,4-substituted arenes has been discovered. From a cheap and air-stable [Fe(salen)]2-μ-oxo complex and readily available pinacol borane...
Cover Image for Iron catalyzed hydroboration View Article
Iron catalyzed hydroboration
Maialen Espinal, Callum R. Woof, Ruth Webster
Aug 06, 2016
Cover Image for Facile, catalytic dehydrocoupling of phosphines using β-diketiminate iron(II) complexes View Article
Facile, catalytic dehydrocoupling of phosphines using β-diketiminate iron(II) complexes
Andrew K. King, Antoine Buchard, Mary F. Mahon, Ruth L. Webster
Nov 02, 2015
Catalytic dehydrocoupling of primary and secondary phosphines has been achieved for the first time using an iron pre-catalyst. The reaction proceeds under mild reaction conditions and is successful with a range of...
Cover Image for Facile, catalytic dehydrocoupling of phosphines using β-diketiminate iron(II) complexes View Article
Facile, catalytic dehydrocoupling of phosphines using β-diketiminate iron(II) complexes
Andrew K. King, Antoine Buchard, Mary F. Mahon, Ruth L. Webster
Nov 02, 2015
Catalytic dehydrocoupling of primary and secondary phosphines has been achieved for the first time using an iron pre-catalyst. The reaction proceeds under mild reaction conditions and is successful with a range of...
Cover Image for A study of two highly active, air-stable iron (III)-μ-oxo pre-catalysts View Article
A study of two highly active, air-stable iron (III)-μ-oxo pre-catalysts
Kimberley J. Gallagher, Maialen Espinal-Viguri, Mary F. Mahon, Ruth L. Webster
Jul 28, 2016
Cover Image for Iron-Catalyzed H/D Exchange of Primary Silanes, Secondary Silanes and Tertiary Siloxanes View Article
Iron-Catalyzed H/D Exchange of Primary Silanes, Secondary Silanes and Tertiary Siloxanes
Tom Linford-Wood, Mary Mahon, Matthew Grayson, Ruth Webster
Mar 04, 2022
A synthetic study into the catalytic hydrogen/deuterium (H/D) exchange of 1° silanes, 2° silanes, and 3° siloxanes is presented, facilitated by iron-β-diketiminato complexes (1a and 1b). Near-complete H/D exchange is observed...
density functional theory deuterium labeling iron catalysis mechanistic investigations Silanes Siloxanes
Cover Image for Room temperature iron-catalyzed transfer hydrogenation and regioselective deuteration of carbon-carbon double bonds View Article
Room temperature iron-catalyzed transfer hydrogenation and regioselective deuteration of carbon-carbon double bonds
Maialen Espinal-Viguri, Samuel Neale, Nathan Coles, Stuart MacGregor, Ruth Webster
Jan 09, 2019

An iron catalyst has been developed for the transfer hydrogenation of carbon-carbon multiple bonds. Using a well-defined β-diketiminate iron(II) precatalyst, a sacrificial amine and a borane, even simple, unactivated alkenes...

Cover Image for Phosphine- and Amine-Borane Dehydrocoupling Using a Three Coordinate Iron(II) β-Diketiminate Pre-Catalyst View Article
Phosphine- and Amine-Borane Dehydrocoupling Using a Three Coordinate Iron(II) β-Diketiminate Pre-Catalyst
Nathan Coles, Mary Mahon, Ruth Webster
Jun 12, 2017
Cover Image for Markovnikov versus anti-Markovnikov hydrophosphination View Article
Markovnikov versus anti-Markovnikov hydrophosphination
Andrew King, Kimberley Gallagher, Mary F. Mahon, Ruth L. Webster
Jul 06, 2017
The ability to tune between different regioselectivities using a common pre-catalyst is an unusual yet highly desirable process. Here, we report the use of an iron(II) pre-catalyst that can be used to synthesize vinyl phosphines...
Cover Image for Room temperature iron-catalyzed transfer hydrogenation and regioselective deuteration of carbon-carbon double bonds View Article
Room temperature iron-catalyzed transfer hydrogenation and regioselective deuteration of carbon-carbon double bonds
Maialen Espinal-Viguri, Samuel Neale, Nathan Coles, Stuart MacGregor, Ruth Webster
Jan 09, 2019

An iron catalyst has been developed for the transfer hydrogenation of carbon-carbon multiple bonds. Using a well-defined β-diketiminate iron(II) precatalyst, a sacrificial amine and a borane, even simple, unactivated alkenes...

Cover Image for A study of two highly active, air-stable iron (III)-μ-oxo pre-catalysts View Article
A study of two highly active, air-stable iron (III)-μ-oxo pre-catalysts
Kimberley J. Gallagher, Maialen Espinal-Viguri, Mary F. Mahon, Ruth L. Webster
Jul 28, 2016
Cover Image for Iron catalysis for the synthesis of ligands View Article
Iron catalysis for the synthesis of ligands
Maialen Espinal-Viguri, Mary F. Mahon, Simon N. G. Tyler, Ruth L. Webster
Jan 05, 2017
Cover Image for Titanium pyridonates for the homo- and copolymerization of <i>rac</i>-lactide and ε-caprolactone View Article
Titanium pyridonates for the homo- and copolymerization of <i>rac</i>-lactide and ε-caprolactone
Damon J. Gilmour, Ruth L. Webster, Mitchell R. Perry, Laurel L. Schafer
Jul 21, 2015
A series of titanium pyridonate complexes have been synthesized under very mild reaction conditions from a common precursor, Ti(NMe2)4. These complexes have been explored as initiators for the ring-opening polymerization of...
Cover Image for Regioselective Alkyne Cyclotrimerization with an In Situ-Generated [Fe(II)H(salen)]·Bpin Catalyst View Article
Regioselective Alkyne Cyclotrimerization with an In Situ-Generated [Fe(II)H(salen)]·Bpin Catalyst
Cei Provis-Evans, Samantha Lau, Vera Krewald, Ruth Webster
Sep 04, 2020
A mild, efficient, and regiospecific catalytic cyclotrimerization of alkynes to form 1,2,4-substituted arenes has been discovered. From a cheap and air-stable [Fe(salen)]2-μ-oxo complex and readily available pinacol borane...
Cover Image for Rapid Metal-Free Formation of Free Phosphines from Phosphine Oxides View Article
Rapid Metal-Free Formation of Free Phosphines from Phosphine Oxides
Cei Provis-Evans, Emma Anna Carolina Emanuelsson, Ruth Webster
Oct 31, 2018

A rapid method for the reduction of secondary phosphine oxides under mild conditions has been developed, allowing simple isolation of the corresponding free phosphines. The methodology involves the use of pinacol borane...

phosphine oxide pinacol borane Reduction
Cover Image for Titanium pyridonates for the homo- and copolymerization of <i>rac</i>-lactide and ε-caprolactone View Article
Titanium pyridonates for the homo- and copolymerization of <i>rac</i>-lactide and ε-caprolactone
Damon J. Gilmour, Ruth L. Webster, Mitchell R. Perry, Laurel L. Schafer
Jul 21, 2015
A series of titanium pyridonate complexes have been synthesized under very mild reaction conditions from a common precursor, Ti(NMe2)4. These complexes have been explored as initiators for the ring-opening polymerization of...
Cover Image for Heterobimetallic complexes of 1,1-diphosphineamide ligands View Article
Heterobimetallic complexes of 1,1-diphosphineamide ligands
Nathan Coles, Danila Gasperini, Cei Provis-Evans, Mary Mahon, Ruth Webster
Jan 25, 2021
We herein discuss the use of 1,1-diphosphineamide ligands for the synthesis of mono- and heterobimetallic complexes of Rh(I) and Ti(IV) metal centers. A small library of monometallic species was synthesized and isolated: Ti was...

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