Výsledky vyhledávání - "Cheryl K. Eidell"

Synthesis and charge density determination of 4,4-difluoro-3,5-diphenyl-4H-pyrazole and a hydrate derivative

Autor: Allyson L. Knapp, Holly R. Duplain, Chad E. Stephens, John Bacsa, Cheryl K. Eidell, LeAnn Walton

Publikováno v: Journal of Fluorine Chemistry. 173:12-17

We describe the synthesis of the title gem-difluoropyrazole and hydrate derivative by reaction of 3,5-diphenylpyrazole with the N F reagent Selectfluor. In addition to spectral characterization of the two products, X-ray crystal structures were deter

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::55684eb619e0f15cfb05461cf55ca96b
https://doi.org/10.1016/j.jfluchem.2015.01.003

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Mono- and trifluorination of the thiazole ring of 2,5-diarylthiazoles using N-fluorobenzenesulfonimide (NFSI)

Autor: Chad E. Stephens, Julie M. Hatfield, Cheryl K. Eidell

Publikováno v: Tetrahedron Letters. 54:1025-1028

Fluorination of select 2,5-diarylthiazoles using the N–F reagent N-fluorobenzenesulfonimide (NFSI) has led to the formation of both the anticipated 4-fluorothiazole as well as a unique 4,4,5-trifluorothiazole. Selective monofluorination is best ach

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::4196033a28f30dfce9b450a9054f44b9
https://doi.org/10.1016/j.tetlet.2012.12.052

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Preparation and cycloaddition chemistry of 1-amino substituted isobenzofurans

Autor: Cheryl K. Eidell, Albert Padwa

Publikováno v: ARKIVOC, Vol 2003, Iss 14, Pp 62-76 (2003)

A new strategy for the synthesis of the core skeleton of the benzophenanthridine alkaloid corynoline has been developed which is based on an intramolecular [4+2]-cycloaddition of an amino substituted isobenzofuran derivative.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e440d031c4295dfddec0e6481c7cc66f
https://www.arkat-usa.org/arkivoc-journal/browse-arkivoc/ark.5550190.0004.e07

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Cyclizationcycloaddition cascades for the construction of azapolycyclic ring systems

Autor: Cheryl K. Eidell, William S. Kissell, Albert Padwa

Publikováno v: Canadian Journal of Chemistry. 79:1681-1693

Cyclic 2-amidofuranones were obtained from the Rh(II)-catalyzed reaction of alpha-diazoketo substituted pyrrolidine derivatives. These compounds are derived by a [1,4]-hydrogen transfer from an initially formed carbonyl ylide dipole. Acylation of the

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::35eb229e7d03389dfd4ce8a675bb783d
https://doi.org/10.1139/v01-154

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An Approach toward Isoindolobenzazepines Using the Ammonium Ylide/Stevens [1,2]-Rearrangement Sequence

Autor: Kimberly J. Worsencroft, Beall Ls, Cheryl K. Eidell, Albert Padwa

Publikováno v: The Journal of Organic Chemistry. 66:2414-2421

Ammonium ylides derived from the Cu(II)-catalyzed decomposition of α-diazo carbonyls tethered to tertiary amines underwent a benzylic Stevens [1,2]-rearrangement to give tetrahydroisoquinolines or benzazepines containing fused five-membered rings, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::bb3c66584aeb1325c6636ec9da6dfca3
https://doi.org/10.1021/jo001684w

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