Evidence map›Paper›PMID 31666882›Full record

ArticleBeilstein journal of organic chemistry2019

Experimental and computational electrochemistry of quinazolinespirohexadienone molecular switches - differential electrochromic vs photochromic behavior.

Eric W Webb, Jonathan P Moerdyk, Kyndra B Sluiter, Benjamin J Pollock, Amy L Speelman, Eugene J Lynch, William F Polik, Jason G Gillmore

Abstract read
PubMed Full text at PMC Publisher
In one paragraph

Article in Beilstein journal of organic chemistry, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
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1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Eric W WebbDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.
Jonathan P MoerdykDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.
Kyndra B SluiterDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.
Benjamin J PollockDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.
Amy L SpeelmanDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.
Eugene J LynchDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.
William F PolikDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.ORCID https://orcid.org/0000-0003-0419-5135
Jason G GillmoreDepartment of Chemistry, Hope College, 35 East 12th Street, Holland, MI 49422-9000, USA.ORCID https://orcid.org/0000-0001-7506-3645

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Our undergraduate research group has long focused on the preparation and investigation of electron-deficient analogs of the perimidinespirohexadienone (PSHD) family of photochromic molecular switches for potential application as "photochromic photooxidants" for gating sensitivity to photoinduced charge transfer. We previously reported the photochemistry of two closely related and more reducible quinazolinespirohexadienones (QSHDs), wherein the naphthalene of the PSHD is replaced with a quinoline. In the present work, we report our investigation of the electrochemistry of these asymmetric QSHDs. In addition to the short wavelength and photochromic long-wavelength isomers, we have found that a second, distinct long-wavelength isomer is produced electrochemically. This different long-wavelength isomer arises from a difference in the regiochemistry of spirocyclic ring-opening. The structures of both long-wavelength isomers were ascertained by cyclic voltammetry and

Indexed as

cyclic voltammetrydensity functional theoryheterocyclesmolecular switchesphotochromic photooxidantsspirocycles

Identifiers

PMID31666882
PMCPMC6808210

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