Brian E. McDowell

Works (7)

Updated: July 29th, 2023 19:30

2012 journal article

Synthesis and Physicochemical Properties of Metallobacteriochlorins

INORGANIC CHEMISTRY, 51(17), 9443–9464.

By: C. Chen n, E. Sun n, D. Fan n, M. Taniguchi n , B. McDowell n, E. Yang*, J. Diers*, D. Bocian *, D. Holten *, J. Lindsey n 

Contributors: C. Chen n, E. Sun n, D. Fan n, M. Taniguchi n , B. McDowell n, E. Yang*, J. Diers*, D. Bocian *, D. Holten *, J. Lindsey n 

MeSH headings : Absorption; Chemical Phenomena; Chemistry Techniques, Synthetic; Electrochemistry; Electrons; Metalloporphyrins / chemical synthesis; Metalloporphyrins / chemistry; Porphyrins / chemistry
TL;DR: Electrochemical characteristics of (metal-free) bacteriochlorins were probed through electrochemical measurements along with density functional theory calculation of the energies of the frontier molecular orbitals and photophysical properties are generally similar to those of the metal-free analogues. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 review

Sparsely substituted chlorins as core constructs in chlorophyll analogue chemistry. Part 1: Synthesis

[Review of ]. TETRAHEDRON, 63(18), 3826–3839.

By: M. Ptaszek n, B. McDowell n, M. Taniguchi n , H. Kim n & J. Lindsey n 

Contributors: M. Ptaszek n, B. McDowell n, M. Taniguchi n , H. Kim n & J. Lindsey n 

author keywords: chlorin; hydroporphyrin; hydrodipyrrin; dipyrromethane
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

Sparsely substituted chlorins as core constructs in chlorophyll analogue chemistry. Part 2: Derivatization

TETRAHEDRON, 63(18), 3840–3849.

By: M. Taniguchi n , M. Ptaszek n, B. McDowell n & J. Lindsey n 

Contributors: M. Taniguchi n , M. Ptaszek n, B. McDowell n & J. Lindsey n 

author keywords: chlorin; deuteration; bromination; metalation
TL;DR: The kinetics of deuteration also have been determined for two oxochlorins and a series of chlorins bearing 0, 1, 2, or 3 meso-aryl substituents. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

Sparsely substituted chlorins as core constructs in chlorophyll analogue chemistry. Part 3: Spectral and structural properties

TETRAHEDRON, 63(18), 3850–3863.

By: M. Taniguchi n , M. Ptaszek n, B. McDowell n, P. Boyle n & J. Lindsey n 

Contributors: M. Taniguchi n , M. Ptaszek n, B. McDowell n, P. Boyle n & J. Lindsey n 

author keywords: chlorin; NMR; absorption spectra; X-ray
TL;DR: The studies described herein report absorption spectra of diverse chlorins, comparative NMR features of chlorins bearing 0-3 meso-aryl substituents, and X-ray structures of the fully unsubstituted chlorin and the oxochlorin. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2006 journal article

Synthesis of 1-formyldipyrromethanes

JOURNAL OF ORGANIC CHEMISTRY, 71(11), 4328–4331.

By: M. Ptaszek n, B. McDowell n & J. Lindsey n 

MeSH headings : Hydrogen-Ion Concentration; Molecular Structure; Pyrroles / chemical synthesis
TL;DR: The Vilsmeier formylation followed by selective removal of the unwanted 1,9-diformyldipyrromethane by dialkyltin complexation and reaction with mesitylmagnesium bromide (MesMgBr) followed byformylation with phenyl formate was found to be more efficient for the preparation of 1-formyldIPyromethanes. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Synthetic chlorins bearing auxochromes at the 3- and 13-positions

JOURNAL OF ORGANIC CHEMISTRY, 71(11), 4092–4102.

By: J. Laha n, C. Muthiah n, M. Taniguchi n , B. McDowell n, M. Ptaszek n & J. Lindsey n 

Contributors: J. Laha n, C. Muthiah n, M. Taniguchi n , B. McDowell n, M. Ptaszek n & J. Lindsey n 

MeSH headings : Chlorophyll / chemistry; Molecular Structure; Porphyrins / chemical synthesis
TL;DR: This study provides access to finely tuned chlorins for spectroscopic studies and diverse applications using zinc chlorins bearing a 3-TIPS-ethynyl-13-acetyl or a 3,13-diacetyl group exhibit a number of spectral properties resembling those of chlorophyll a or its zinc analogue. (via Semantic Scholar)
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2005 journal article

Imine-substituted dipyrromethanes in the synthesis of porphyrins bearing one or two meso substituents

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 9(8), 554–574.

By: M. Taniguchi n , A. Balakumar n, D. Fan n, B. McDowell n & J. Lindsey n 

Contributors: M. Taniguchi n , A. Balakumar n, D. Fan n, B. McDowell n & J. Lindsey n 

author keywords: dipyrromethane; pyrrole; imine; Schiff's base; porphyrin; aerobic oxidation; dipyrrin; self-assembly; zinc
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Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

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