Search Results - "Hester, D. Keith"

Allenyl Azide Cycloaddition Chemistry. Synthesis of Annelated Indoles from 2-(Allenyl)phenyl Azide Substrates by Feldman, Ken S, Iyer, Malliga R, Hester, D. Keith

“…Thermolysis of 2-(allenyl)phenyl azides leads to a cascade cyclization sequence furnishing both C(2)−C(3) and N−C(2) cyclopentannelated indoles…”
Get full text

Allenyl Azide Cycloaddition Chemistry. 2,3-Cyclopentennelated Indole Synthesis through Indolidene Intermediates by Feldman, Ken S, Hester, D. Keith, Iyer, Malliga R, Munson, Paul J, Silva López, Carlos, Faza, Olalla Nieto

“…The thermal, photochemical, and photochemical/CuI-mediated cascade cyclizations of a range of substituted 1-(2-azidophenyl)-3-alkenylallenes are described…”
Get full text

A relationship between amide hydrogen bond strength and quinone reduction potential: Implications for photosystem I and bacterial reaction center quinone function by Feldman, Ken S., Hester, D. Keith, Golbeck, John H.

“…Peri-amide-substituted naphthoquinones were synthesized and their reduction potentials, N–H IR and N–H 1H NMR absorptions were recorded. A series of 11 simple…”
Get full text

Allenyl Azide Cycloaddition Chemistry. Photochemical Initiation and CuI Mediation Leads to Improved Regioselectivity by Feldman, Ken S, Hester, D. Keith, López, Carlos Silva, Faza, Olalla Nieto

“…Irradiation of 2-(3-alkenyl)allenylphenyl azides in the presence of excess CuI furnished functionalized 2,3-cyclopentenylindoles in good yield with only trace…”
Get full text

Cyclization Cascade of Allenyl Azides:  A Dual Mechanism by López, Carlos Silva, Faza, Olalla Nieto, Feldman, Ken S, Iyer, Malliga R, Hester, D. Keith

“…A density functional theory based computational approach to describing the mechanistic course of the allene azide cycloaddition cascade sequence has been…”
Get full text

A Relationship between Amide Hydrogen Bond Strength and Quinone Reduction Potential; Implications for Photosystem 1 and Bacterial Reaction Center Quinone Function by Feldman, Ken S., Hester, D. Keith, Golbeck, John H.

“…A series of 11 simple phylloquinone derivatives, each lacking the extended phytyl side chain but featuring H-bond donor amides at one or both peri positions,…”
Get full text

Allenylazide Cycloaddition Chemistry. Synthesis of Annelated Indoles from 2-(Allenyl)phenylazide Substrates by Feldman, Ken S., Iyer, Malliga R., Hester, D. Keith

“…Thermolysis of 2-(allenyl)phenylazides leads to a cascade cyclization sequence furnishing both C(2)-C(3) and N-C(2) cyclopentennelated indoles…”
Get full text