Search Results - "Ravat, Prince"
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1
Efficient Narrowband Circularly Polarized Light Emitters Based on 1,4‐B,N‐embedded Rigid Donor–Acceptor Helicenes
Published in Angewandte Chemie International Edition (11-04-2023)“…Narrow‐band emission is essential for applicable circularly polarized luminescence (CPL) active materials in ultrahigh‐definition CP‐OLEDs. One of the most…”
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2
Helically twisted nanoribbons via stereospecific annulative π-extension reaction employing [7]helicene as a molecular wrench
Published in Chemical science (Cambridge) (31-07-2024)“…Over the past decade, significant progress has been made in synthesizing atomically precise carbon nanostructures, particularly graphene nanoribbons (NRs),…”
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3
Zinc‐[7]helicenocyanine and Its Discrete π‐Stacked Homochiral Dimer
Published in Angewandte Chemie International Edition (25-10-2021)“…In this communication, we demonstrate a novel approach to prepare a discrete dimer of chiral phthalocyanine (Pc) by exploiting the flexible molecular geometry…”
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4
Stereospecific Synthesis and Photophysical Properties of Propeller‐Shaped C90H48 PAH
Published in Chemistry : a European journal (18-12-2019)“…Herein, we have synthesized an enantiomerically pure propeller‐shaped PAH, C90H48, possessing three [7]helicene and three [5]helicene subunits. This compound…”
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5
Dimethylcethrene: A Chiroptical Diradicaloid Photoswitch
Published in Journal of the American Chemical Society (29-08-2018)“…We describe the synthesis and properties of 13,14-dimethylcethrene, a prototype of a chiral diradicaloid photochemical switch that can be transformed…”
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6
Cethrene: A Helically Chiral Biradicaloid Isomer of Heptazethrene
Published in Angewandte Chemie International Edition (18-01-2016)“…We report the synthesis and properties of “cethrene”, the only helically chiral isomer of heptazethrene with a biradicaloid singlet ground state. Cethrene…”
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7
Cethrene: The Chameleon of Woodward–Hoffmann Rules
Published in Journal of organic chemistry (20-04-2018)“…We demonstrate that the electrocyclic (EC) ring-closure of cethrene in solution proceeds in a conrotatory mode both thermally and photochemically. The facile…”
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8
Anionic Boron- and Carbon-Based Hetero-Diradicaloids Spanned by a p‑Phenylene Bridge
Published in Journal of the American Chemical Society (17-03-2021)“…Herein we report the synthesis and characterization of anionic boron- and carbon-based Kekulé diradicaloids spanned by a p-phenylene bridge. In contrast to…”
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9
Synthesis of Nitrogen-Doped ZigZag-Edge Peripheries: Dibenzo-9a-azaphenalene as Repeating Unit
Published in Angewandte Chemie International Edition (22-09-2014)“…A bottom‐up approach toward stable and monodisperse segments of graphenes with a nitrogen‐doped zigzag edge is introduced. Exemplified by the so far…”
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10
Positional Isomers of Tetramethoxypyrene-based Mono- and Biradicals
Published in The journal of physical chemistry. B (29-10-2015)“…The positional isomers of tert-butylnitroxide (NO) substituted 4,5,9,10-tetramethoxypyrene-based mono- and biradical are synthesized. While the biradical…”
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11
C2- and C1-Symmetric Configurationally Stable Pyrene-Fused [5]Helicenes Connected via Hexagonal and Heptagonal Rings
Published in Organic letters (19-02-2021)Get full text
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12
Nano- and Microspheres Containing Inorganic and Biological Nanoparticles: Self-Assembly and Electron Tomographic Analysis
Published in Journal of the American Chemical Society (24-02-2021)“…Organofullerene amphiphiles show diverse behaviors in water, forming vesicles, micelles, Langmuir–Blodgett films, and anisotropic nanostructures. We found that…”
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13
Bis‐Olefin Based Crystalline Schlenk Hydrocarbon Diradicals with a Triplet Ground State
Published in Angewandte Chemie International Edition (06-11-2023)“…Abstract A modular approach for the synthesis of isolable crystalline Schlenk hydrocarbon diradicals from m ‐phenylene bridged electron‐rich bis‐triazaalkenes…”
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14
De Novo Synthesis of Free‐Standing Flexible 2D Intercalated Nanofilm Uniform over Tens of cm2
Published in Advanced materials (Weinheim) (01-06-2022)“…Of a variety of intercalated materials, 2D intercalated systems have attracted much attention both as materials per se, and as a platform to study atoms and…”
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15
Spin-Delocalization in a Helical Open-Shell Hydrocarbon
Published in Journal of organic chemistry (16-12-2016)“…Neutral open-shell molecules, in which spin density is delocalized through a helical conjugated backbone, hold promise as models for investigating phenomena…”
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16
A bis-NHC-CAAC dimer derived dicationic diradical
Published in Chemical science (Cambridge) (02-11-2022)“…The isolation of carbon-centered diradicals is always challenging due to synthetic difficulties and their limited stability. Herein we report the synthesis of…”
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17
Positive Magneto-LC Effect in Conjugated Spin-Bearing Hexabenzocoronene
Published in Journal of the American Chemical Society (17-09-2014)“…The first neutral spin carrying hexabenzocoronene (HBC) derivative is described. The conjugated phenyl nitroxide substituted HBC with five alkyl chains…”
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18
Helicenes as Chiroptical Photoswitches
Published in ChemPhotoChem (01-04-2019)“…In this Concept Article, we analyze known helicene systems that function as chiroptical photoswitches from a stereochemical perspective and classify them based…”
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19
Equivalence of Ethylene and Azo-Bridges in the Modular Design of Molecular Complexes: Role of Weak Interactions
Published in Crystal growth & design (06-05-2015)“…Structural equivalence is a general tool applied in crystal engineering for the predictable construction of molecular assemblies. In the present contribution…”
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20
Efficient Narrowband Circularly Polarized Light Emitters Based on 1,4‐B,N‐embedded Rigid Donor–Acceptor Helicenes
Published in Angewandte Chemie (11-04-2023)“…Narrow‐band emission is essential for applicable circularly polarized luminescence (CPL) active materials in ultrahigh‐definition CP‐OLEDs. One of the most…”
Get full text
Journal Article