Search Results - "Armantrout, John R"

A Theoretical and Experimental Scale of Aromaticity. The First Nucleus-Independent Chemical Shifts (NICS) Study of the Dimethyldihydropyrene Nucleus by Williams, Richard Vaughan, Armantrout, John R, Twamley, Brendan, Mitchell, Reginald H, Ward, Timothy R, Bandyopadhyay, Subhajit

“…Nucleus-independent chemical shift (NICS) values were calculated at several locations for a series of dimethyldihydropyrenes (DDPs). These NICS values were…”
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Diatropicity of 3,4,7,8,9,10,13,14-Octadehydro[14]annulenes:  A Combined Experimental and Theoretical Investigation by Boydston, Andrew J, Haley, Michael M, Williams, Richard Vaughan, Armantrout, John R

“…The synthesis and study of a series of octadehydro[14]annulenes is described. The aromaticity of these annulenes was investigated through examination of…”
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The Role of Strain in the Homoaromatization of Semibullvalenes by Williams, Richard Vaughan, Al-Sehemi, Abdullah G, Meier, Amanda K, Brown, Zachary Z, Armantrout, John R

“…The low activation barrier to the Cope rearrangement of semibullvalenes has been attributed to the inherent ring-strain of this nucleus. Appropriate,…”
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Experimental and Theoretical Study of Stabilization of Delocalized Forms of Semibullvalenes and Barbaralanes by Dipolar and Polarizable Solvents. Observation of a Delocalized Structure that Is Lower in Free Energy than the Localized Form by Seefelder, Maximilian, Heubes, Markus, Quast, Helmut, Edwards, W. Daniel, Armantrout, John R, Williams, Richard Vaughan, Cramer, Christopher J, Goren, Alan C, Hrovat, David A, Borden, Weston Thatcher

“…UV/vis spectra of thermochromic semibullvalenes 1 and barbaralanes 2, which undergo rapid degenerate Cope rearrangements, display temperature-dependent…”
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Dimethyldihydropyrene−Dehydrobenzoannulene Hybrids:  Studies in Aromaticity and Photoisomerization by Kimball, David B, Haley, Michael M, Mitchell, Reginald H, Ward, Timothy R, Bandyopadhyay, Subhajit, Williams, Richard Vaughan, Armantrout, John R

“…The synthesis and study of dehydrobenzoannulene (DBA)−dimethyldihydropyrene (DDP) hybrids as models for the investigation of aromaticity in weakly diatropic…”
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N,N-Difluorotris(tert-butyl)silylamineThe First Organosilyl Difluoroamine. Synthesis and Computational Studies by Majumder, Utpal, Armantrout, John R, Williams, Richard Vaughan, Shreeve, Jean'ne M

“…The synthesis and characterization of the first stable trialkyl(difluoroamino)silane, R3SiNF2, as well as of R3SiNHF and R3SiN(CH3)F in moderate yields are…”
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N , N -Difluorotris( tert -butyl)silylamineThe First Organosilyl Difluoroamine. Synthesis and Computational Studies by Majumder, Utpal, Armantrout, John R., Williams, Richard Vaughan, Shreeve, Jean'ne M.

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