Works (38)

Updated: July 29th, 2023 19:30

2016 journal article

Complexity in structure-directed prebiotic chemistry. Reaction bifurcation from a beta-diketone in tetrapyrrole formation

NEW JOURNAL OF CHEMISTRY, 40(7), 6434–6440.

By: R. Deans n, M. Taniguchi n, V. Chandrashaker n, M. Ptaszek n & J. Lindsey n

Contributors: R. Deans n, M. Taniguchi n, V. Chandrashaker n, M. Ptaszek n & J. Lindsey n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Complexity in structure-directed prebiotic chemistry. Unexpected compositional richness from competing reactants in tetrapyrrole formation

NEW JOURNAL OF CHEMISTRY, 40(7), 6421–6433.

By: R. Deans n, M. Taniguchi n, V. Chandrashaker n, M. Ptaszek n, D. Chambers n, A. Soares n, J. Lindsey n

Contributors: R. Deans n, M. Taniguchi n, V. Chandrashaker n, M. Ptaszek n, D. Chambers n, A. Soares n, J. Lindsey n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Scope and limitations of two model prebiotic routes to tetrapyrrole macrocycles

NEW JOURNAL OF CHEMISTRY, 40(9), 7445–7455.

By: M. Taniguchi n, R. Deans n, V. Chandrashaker n, M. Ptaszek n & J. Lindsey n

Contributors: M. Taniguchi n, R. Deans n, V. Chandrashaker n, M. Ptaszek n & J. Lindsey n

UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2016 journal article

Synthesis of diverse acyclic precursors to pyrroles for studies of prebiotic routes to tetrapyrrole macrocycles

NEW JOURNAL OF CHEMISTRY, 40(10), 8786–8808.

By: V. Chandrashaker n, M. Ptaszek n, M. Taniguchi n & J. Lindsey n

Contributors: V. Chandrashaker n, M. Ptaszek n, M. Taniguchi n & J. Lindsey n

TL;DR: The synthesis of 53 compounds is described, encompassing 28 new compounds as well as 25 known compounds that have been more fully characterized or prepared via alternative routes that may prove useful in mainstream syntheses of diverse tetrapyrroles regardless of possible prebiotic relevance. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2015 journal article

Photophysical Properties and Electronic Structure of Chlorin-Imides: Bridging the Gap between Chlorins and Bacteriochlorins

JOURNAL OF PHYSICAL CHEMISTRY B, 119(24), 7503–7515.

By: K. Faries*, J. Diers*, J. Springer*, E. Yang*, M. Ptaszek n, D. Lahaye n, M. Krayer n, M. Taniguchi n ...

Contributors: K. Faries*, J. Diers*, J. Springer*, E. Yang*, M. Ptaszek n, D. Lahaye n, M. Krayer n, M. Taniguchi n ...

MeSH headings : Electrons; Fluorescence; Imides / chemistry; Molecular Structure; Photochemical Processes; Porphyrins / chemistry; Quantum Theory
TL;DR: The photophysical properties of a set of six chlorin-imides and nine synthetic chlorin analogues that extend the absorption deeper into these key spectral regions of the solar spectrum and help bridge the gap between typical chlorins and bacteriochlorins are reported. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2014 journal article

Regioselective beta-pyrrolic electrophilic substitution of hydrodipyrrin-dialkylboron complexes facilitates access to synthetic models for chlorophyll f

New Journal of Chemistry, 38(4), 1717–1730.

By: M. Liu, M. Ptaszek, O. Mass, D. Minkler, R. Sommer, J. Bhaumik, J. Lindsey

Source: NC State University Libraries
Added: August 6, 2018

2012 journal article

Competing Knorr and Fischer-Fink pathways to pyrroles in neutral aqueous solution

TETRAHEDRON, 68(34), 6957–6967.

By: V. Chandrashaker n, M. Taniguchi n, M. Ptaszek n & J. Lindsey n

Contributors: V. Chandrashaker n, M. Taniguchi n, M. Ptaszek n & J. Lindsey n

author keywords: Prebiotic; Mass balance; Tetrapyrrole; Aminolevulinic acid; Biomimetic; Pyrrole
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2011 journal article

De novo synthesis and properties of analogues of the self-assembling chlorosomal bacteriochlorophylls

New Journal of Chemistry, 35(11), 2671–2690.

By: O. Mass, D. Pandithavidana, M. Ptaszek, K. Santiago, J. Springer, J. Jiao, Q. Tang, C. Kirmaier ...

Source: NC State University Libraries
Added: August 6, 2018

2010 journal article

Abiotic formation of uroporphyrinogen and coproporphyrinogen from acyclic reactants

NEW JOURNAL OF CHEMISTRY, 35(1), 65–75.

By: J. Lindsey n, V. Chandrashaker n, M. Taniguchi n & M. Ptaszek n

Contributors: J. Lindsey n, V. Chandrashaker n, M. Taniguchi n & M. Ptaszek n

Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2010 journal article

De Novo Synthesis of Long-Wavelength Absorbing Chlorin-13,15-dicarboximides

JOURNAL OF ORGANIC CHEMISTRY, 75(5), 1659–1673.

By: M. Ptaszek n, D. Lahaye n, M. Krayer n, C. Muthiah n & J. Lindsey n

TL;DR: The synthetic versatility of the de novo route complements the existing semisynthetic route from chlorophylls and should enable fundamental spectroscopic studies and photochemical applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Expanded Scope of Synthetic Bacteriochlorins via Improved Acid Catalysis Conditions and Diverse Dihydrodipyrrin-Acetals

JOURNAL OF ORGANIC CHEMISTRY, 75(4), 1016–1039.

By: M. Krayer n, M. Ptaszek n, H. Kim n, K. Meneely n, D. Fan n, K. Secor n, J. Lindsey n

MeSH headings : Acetals / chemistry; Acids / chemistry; Catalysis; Crystallography, X-Ray; Metalloporphyrins / chemical synthesis; Metalloporphyrins / chemistry; Models, Molecular; Molecular Structure; Photochemistry; Porphyrins / chemical synthesis; Porphyrins / chemistry; Pyrroles / chemistry; Spectroscopy, Near-Infrared
TL;DR: Four promising acid catalysis conditions are identified and 15 new bacteriochlorins prepared herein exhibit a long-wavelength absorption band in the range 707-759 nm, providing tunable access to the near-infrared region, which expands the scope of available bacterio chlorins for fundamental studies and diverse applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2010 journal article

Structural characteristics that make chlorophylls green: interplay of hydrocarbon skeleton and substituents

NEW JOURNAL OF CHEMISTRY, 35(1), 76–88.

By: O. Mass n, M. Taniguchi n, M. Ptaszek n, J. Springer*, K. Faries*, J. Diers*, D. Bocian*, D. Holten*, J. Lindsey n

Contributors: O. Mass n, M. Taniguchi n, M. Ptaszek n, J. Springer*, K. Faries*, J. Diers*, D. Bocian*, D. Holten*, J. Lindsey n

UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2009 patent

Boron complexation strategy for use in manipulating 1-acyldipyrromethanes

By: J. Lindsey, K. Muthukumaran, . M. & H. Huma

Source: NC State University Libraries
Added: August 6, 2018

2009 journal article

Chlorin-Bacteriochlorin Energy-transfer Dyads as Prototypes for Near-infrared Molecular Imaging Probes: Controlling Charge-transfer and Fluorescence Properties in Polar Media

PHOTOCHEMISTRY AND PHOTOBIOLOGY, 85(4), 909–920.

By: H. Kee*, J. Diers*, M. Ptaszek n, C. Muthiah n, D. Fan n, J. Lindsey n, D. Bocian*, D. Holten*

MeSH headings : Energy Transfer; Fluorescence; Molecular Probes; Oxidation-Reduction; Porphyrins / chemistry; Quantum Theory; Spectroscopy, Near-Infrared
TL;DR: Controlling the extent of excited‐state quenching in polar media will allow the favorable photophysical properties of the chlorin–bacteriochlorin dyads to be exploited in vivo and facilitate selective excitation/detection and multiprobe applications using both intensity‐ and lifetime‐imaging techniques. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2009 journal article

Refined syntheses of hydrodipyrrin precursors to chlorin and bacteriochlorin building blocks

JOURNAL OF PORPHYRINS AND PHTHALOCYANINES, 13(10), 1098–1110.

By: M. Krayer n, T. Balasubramanian n, C. Ruzie n, M. Ptaszek n, D. Cramer n, M. Taniguchi n, J. Lindsey n

Contributors: M. Krayer n, T. Balasubramanian n, C. Ruzié n, M. Ptaszek n, D. Cramer n, M. Taniguchi n, J. Lindsey n

author keywords: chlorin; bacteriochlorin; bromination; dihydrodipyrrin; tetrahydrodipyrrin; McMurry cyclization; Michael addition
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2009 journal article

Regioselective Bromination Tactics in the de Novo Synthesis of Chlorophyll b Analogues

JOURNAL OF ORGANIC CHEMISTRY, 74(9), 3237–3247.

By: C. Muthiah n, D. Lahaye n, M. Taniguchi n, M. Ptaszek n & J. Lindsey n

Contributors: C. Muthiah n, D. Lahaye n, M. Taniguchi n, M. Ptaszek n & J. Lindsey n

MeSH headings : Chlorophyll / chemical synthesis; Chlorophyll / chemistry; Halogenation; Porphyrins / chemistry; Spectrum Analysis; Stereoisomerism; Substrate Specificity
TL;DR: Taken together, the facile access to chlorins and 13(1)-oxophorbines bearing substituents at distinct sites should enable fundamental spectroscopic studies and diverse applications. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2009 journal article

Simple Formation of an Abiotic Porphyrinogen in Aqueous Solution

ORIGINS OF LIFE AND EVOLUTION OF BIOSPHERES, 39(6), 495–515.

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

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

author keywords: Prebiotic; Pyrrole; Porphyrinogen; Porphyrin; Self-assembly; Micelle; Photosynthesis
MeSH headings : Acetoacetates / chemistry; Aminolevulinic Acid / chemistry; Anaerobiosis; Cetrimonium; Cetrimonium Compounds / chemistry; Cetrimonium Compounds / metabolism; Esters / chemistry; Hot Temperature; Micelles; Oxidation-Reduction; Oxygen / metabolism; Photochemical Processes; Porphyrinogens / chemical synthesis; Porphyrinogens / metabolism; Solutions; Tetrapyrroles / chemistry; Water
TL;DR: The simple self-organization of eight acyclic molecules into a tetrapyrrole macrocycle, from which a porphyrin is derived that is photoactive in lipid assemblies, augurs well for the spontaneous origin of catalysts and pigments essential for prebiotic metabolism and proto-photosynthesis. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2009 journal article

Synthesis and Photochemical Properties of 12-Substituted versus 13-Substituted Chlorins

JOURNAL OF ORGANIC CHEMISTRY, 74(15), 5276–5289.

By: O. Mass n, M. Ptaszek n, M. Taniguchi n, J. Diers*, H. Kee*, D. Bocian*, D. Holten*, J. Lindsey n

Contributors: O. Mass n, M. Ptaszek n, M. Taniguchi n, J. Diers*, L. Hooi*, D. Bocian*, D. Holten*, J. Lindsey n

MeSH headings : Computer Simulation; Electrochemistry; Organometallic Compounds / chemical synthesis; Organometallic Compounds / chemistry; Oxidation-Reduction; Photochemistry; Porphyrins / chemical synthesis; Porphyrins / chemistry; Quantum Theory
TL;DR: A new rational route was developed for the synthesis of 8,9-dibromo-1-formyldipyrromethane that entailed InCl(3)-catalyzed condensation of 4-bromo -2-(hydroxymethyl)pyrrole and pyrrole to give the 8- bromodipyromethane, (ii) 1-formylation, and (iii) 9-Bromination. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2008 patent

Boron complexation strategy for use in manipulating 1-acyldipyrromethanes

Washington, DC: U.S. Patent and Trademark Office.

By: J. Lindsey, K. Muthukumaran, M. Ptaszek, H. Huma & S.

Source: NC State University Libraries
Added: August 6, 2018

2008 patent

Boron complexation strategy for use in manipulating 1-acyldipyrromethanes

By: J. Lindsey, K. Muthukumaran, M. Ptaszek & H. Huma

Source: NC State University Libraries
Added: August 6, 2018

2008 journal article

Examination of chlorin-bacteriochlorin energy-transfer dyads as prototypes for near-infrared molecular imaging probes

PHOTOCHEMISTRY AND PHOTOBIOLOGY, 84(5), 1061–1072.

By: H. Kee*, R. Nothdurft*, C. Muthiah n, J. Diers*, D. Fan n, M. Ptaszek n, D. Bocian*, J. Lindsey n, J. Culver*, D. Holten*

MeSH headings : Dimethyl Sulfoxide / chemistry; Energy Transfer; Fluorescent Dyes / chemistry; Metalloporphyrins / chemical synthesis; Metalloporphyrins / chemistry; Molecular Probes / analysis; Molecular Probes / chemistry; Molecular Structure; Photochemistry; Porphyrins / chemistry; Spectroscopy, Near-Infrared; Stereoisomerism; Toluene / chemistry
TL;DR: The narrow spectral widths enabled excellent selectivity in excitation and detection of one chlorin–bacteriochlorin energy‐transfer dyad in the presence of the other upon diffuse optical tomography of solution‐phase phantoms. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Rational or statistical routes from 1-acyldipyrromethanes to meso-substituted porphyrins. Distinct patterns, multiple pyridyl substituents, and amphipathic architectures

JOURNAL OF ORGANIC CHEMISTRY, 73(16), 6187–6201.

By: D. Dogutan n, M. Ptaszek n & J. Lindsey n

MeSH headings : Magnesium / chemistry; Methane / analogs & derivatives; Methane / chemical synthesis; Methane / chemistry; Microwaves; Porphyrins / chemical synthesis; Pyrroles / chemical synthesis; Pyrroles / chemistry
TL;DR: The rational and statistical routes enable facile conversion of readily available 1-acyldipyrromethanes to diverse porphyrins bearing 1-4 meso substituents for which access is limited via other methods. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2008 journal article

Synthesis and excited-state photodynamics of a chlorin-bacteriochlorin dyad-through-space versus through-bond energy transfer in tetrapyrrole arrays

PHOTOCHEMISTRY AND PHOTOBIOLOGY, 84(3), 786–801.

By: C. Muthiah n, H. Kee*, J. Diers*, D. Fan n, M. Ptaszek n, D. Bocian*, D. Holten*, J. Lindsey n

MeSH headings : Computer Simulation; Energy Transfer; Light; Molecular Structure; Photochemistry; Porphyrins / chemical synthesis; Porphyrins / chemistry; Quantum Theory; Tetrapyrroles / chemistry
TL;DR: The energy‐transfer characteristics of FbC‐pe‐FbB are compared with those previously obtained for analogous phenylethyne‐linked dyads consisting of two porphyrins or two oxochlorins, facilitated by density functional theory calculations that elucidate the molecular‐orbital characteristics of the energy donor and acceptor constituents. (via Semantic Scholar)
UN Sustainable Development Goal Categories
7. Affordable and Clean Energy (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 patent

Boron complexation strategy for use in manipulating 1-acyldipyrromethanes

Washington, DC: U.S. Patent and Trademark Office.

By: J. Lindsey, K. Muthukumaran, M. Ptaszek & Z. H.

Source: NC State University Libraries
Added: August 6, 2018

2007 journal article

Direct synthesis of magnesium porphine via 1-formyldipyrromethane

JOURNAL OF ORGANIC CHEMISTRY, 72(13), 5008–5011.

By: D. Dogutan n, M. Ptaszek n & J. Lindsey n

MeSH headings : Magnesium / chemistry; Metalloporphyrins / chemical synthesis; Metalloporphyrins / chemistry; Methane / analogs & derivatives; Methane / chemistry; Molecular Structure; Palladium / chemistry; Porphyrins / chemical synthesis; Porphyrins / chemistry; Pyrroles / chemistry; Zinc / chemistry
TL;DR: The reaction of 1-formyldipyrromethane in toluene at 115 degrees C containing DBU and MgBr2 in the presence of air affords the magnesium chelate Mg(II) porphine in 30-40% yield. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Effects of substituents on synthetic analogs of chlorophylls. Part 1: Synthesis, vibrational properties and excited-state decay characteristics

PHOTOCHEMISTRY AND PHOTOBIOLOGY, 83(5), 1110–1124.

By: H. Kee*, C. Kirmaier*, Q. Tang*, J. Diers*, C. Muthiah n, M. Taniguchi n, J. Laha n, M. Ptaszek n ...

Contributors: H. Kee*, C. Kirmaier*, Q. Tang*, J. Diers*, C. Muthiah n, M. Taniguchi n, J. Laha n, M. Ptaszek n ...

TL;DR: The spectral, vibrational and excited‐state decay characteristics are examined for a set of synthetic chlorins and the zinc chlorins with the red‐most fluorescence also have the greatest radiative decay rate constant and are expected to have the fastest nonradiative internal conversion to the ground state. (via Semantic Scholar)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

Effects of substituents on synthetic analogs of chlorophylls. Part 2: Redox properties, optical spectra and electronic structure

PHOTOCHEMISTRY AND PHOTOBIOLOGY, 83(5), 1125–1143.

By: H. Kee*, C. Kirmaier*, G. Tang*, J. Diers*, C. Muthiah n, M. Taniguchi n, J. Laha n, M. Ptaszek n ...

Contributors: H. Kee*, C. Kirmaier*, Q. Tang*, J. Diers*, C. Muthiah n, M. Taniguchi n, J. Laha n, M. Ptaszek n ...

MeSH headings : Chlorophyll / chemistry; Mass Spectrometry / methods; Molecular Structure; Nuclear Magnetic Resonance, Biomolecular; Oxidation-Reduction; Porphyrins / chemistry; Spectrometry, Fluorescence; Spectrum Analysis / methods
TL;DR: Insight is provided into the effects of substituents on the optical absorption, redox and other photophysical properties of the chlorins that form a framework that underpins the rational design of chlorins for applications encompassing photomedicine and solar‐energy conversion. (via Semantic Scholar)
UN Sustainable Development Goal Categories
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
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)
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)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2007 journal article

Synthesis and structural properties of porphyrin analogues of bacteriochlorophyll c

TETRAHEDRON, 63(51), 12629–12638.

By: M. Ptaszek n, Z. Yao n, D. Savithri n, P. Boyle n & J. Lindsey n

Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Synthesis of porphyrins bearing 1-4 hydroxymethyl groups and other one-carbon oxygenic substituents in distinct patterns

TETRAHEDRON, 63(43), 10657–10670.

By: Z. Yao n, J. Bhaumik n, S. Dhanalekshmi n, M. Ptaszek n, P. Rodriguez n & J. Lindsey n

author keywords: porphyrin; dipyrromethane; hydroxymethyl; formyl
TL;DR: The hydroxymethyl group was introduced via TBDMS-protected dipyrromethane precursors to provide a compact architecture that is attractive for diverse applications. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2007 journal article

Two complementary routes to 7-substituted chlorins. Partial mimics of chlorophyll b

JOURNAL OF ORGANIC CHEMISTRY, 72(20), 7736–7749.

By: C. Muthiah n, M. Ptaszek n, T. Nguyen n, K. Flack n & J. Lindsey n

TL;DR: The facile access to chlorins that bear auxochromes at the 7-position enables wavelength tunability and provides the foundation for fundamental spectroscopic studies. (via Semantic Scholar)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 patent

Boron complexation strategy for use in manipulating 1-acyldipyrromethanes

Washington, DC: U.S. Patent and Trademark Office.

By: J. Lindsey, K. Muthukumaran, M. Ptaszek & S. Zaidi

Source: NC State University Libraries
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)
UN Sustainable Development Goal Categories
6. Clean Water and Sanitation (OpenAlex)
Sources: Web Of Science, NC State University Libraries
Added: August 6, 2018

2006 journal article

Synthesis of hydrodipyrrins tailored for reactivity at the 1- and 9-positions

TETRAHEDRON, 63(1), 37–55.

By: H. Kim n, D. Dogutan n, M. Ptaszek n & J. Lindsey n

author keywords: hydrodipyrrin; 1-pyrroline; pyrrole; hydroporphyrin
TL;DR: Straightforward access to various hydrodipyrrins should facilitate development of syntheses of diverse hydroporphyrins. (via Semantic Scholar)
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)
UN Sustainable Development Goal Categories
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

2005 journal article

Refined synthesis of 2,3,4,5-tetrahydro-1,3,3-trimethyidipyrrin, a deceptively simple precursor to hydroporphyrins

ORGANIC PROCESS RESEARCH & DEVELOPMENT, 9(5), 651–659.

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

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

TL;DR: The prior 5-step synthesis of 1 from pyrrole-2-carboxaldehyde employed relatively simple and well-known reactions yet suffered from several drawbacks, including limited scale and lessened reliance on chromatography. (via Semantic Scholar)
Sources: Web Of Science, NC State University Libraries, ORCID
Added: August 6, 2018

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