Search Results - "Vacek, Jaroslav"
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1
Exploring the “Goldilocks Zone” of Semiconducting Polymer Photocatalysts by Donor–Acceptor Interactions
Published in Angewandte Chemie International Edition (22-10-2018)“…Water splitting using polymer photocatalysts is a key technology to a truly sustainable hydrogen‐based energy economy. Synthetic chemists have intuitively…”
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2
From helical to planar chirality by on-surface chemistry
Published in Nature chemistry (01-03-2017)“…The chirality of molecular structures is paramount in many phenomena, including enantioselective reactions, molecular self-assembly, biological processes and…”
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3
An Ultimate Stereocontrol in Asymmetric Synthesis of Optically Pure Fully Aromatic Helicenes
Published in Journal of the American Chemical Society (08-07-2015)“…The role of the helicity of small molecules in enantioselective catalysis, molecular recognition, self-assembly, material science, biology, and nanoscience is…”
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4
Tuning the Porosity and Photocatalytic Performance of Triazine‐Based Graphdiyne Polymers through Polymorphism
Published in ChemSusChem (10-01-2019)“…Crystalline and amorphous organic materials are an emergent class of heterogeneous photocatalysts for the generation of hydrogen from water, but a direct…”
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5
Synthesis of Long Oxahelicenes by Polycyclization in a Flow Reactor
Published in Angewandte Chemie International Edition (15-05-2017)“…A series of oxahelicenes composed of ortho/meta‐annulated benzene/pyridine and 2H‐pyran rings were synthesized on the basis of the cobalt(I)‐mediated (or…”
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6
Chimerical Pyrene-Based [7]Helicenes as Twisted Polycondensed Aromatics
Published in Chemistry : a European journal (08-06-2015)“…Chimerical pyrene‐based dibenzo[7]helicene rac‐1 and 2H‐pyran[7]helicene (M,R,R)‐(−)‐2, in which two pyrene subunits are fused to the…”
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7
Racemic dimers as models of chiral macrocycles self-assembled on pyrolytic graphite
Published in Carbon trends (01-09-2023)“…•Method analyses data from the AFM image based on simulated molecular shape.•Reconstruction of measured molecular shape based on AFM data is…”
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8
Asymmetric Synthesis of Diastereo‐ and Enantiopure Bioxahelicene 2,2′‐Bipyridines
Published in European journal of organic chemistry (09-10-2018)“…A versatile asymmetric synthesis of five C2 symmetric enantio‐ and diastereopure bioxa[5]‐ and bioxa[6]helicene 2,2′‐bipyridines was developed. It relied…”
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9
A General Approach to Optically Pure [5]-, [6]-, and [7]Heterohelicenes
Published in Angewandte Chemie International Edition (11-06-2012)“…Spiral staircases: A general method for the preparation of optically pure [5]‐, [6]‐, and [7]heterohelicenes is based on a CoI‐ or Ni0‐catalyzed…”
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10
An Organometallic Route to Long Helicenes
Published in Proceedings of the National Academy of Sciences - PNAS (11-08-2009)“…Along with the recent progress in the development of advanced synthetic methods, the chemical community has witnessed an increasing interest in promising…”
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11
Acetic Acid Dimer in the Gas Phase, Nonpolar Solvent, Microhydrated Environment, and Dilute and Concentrated Acetic Acid: Ab Initio Quantum Chemical and Molecular Dynamics Simulations
Published in The journal of physical chemistry. A, Molecules, spectroscopy, kinetics, environment, & general theory (01-05-2003)“…Theoretical study of the acetic acid dimer, its microhydration and its behavior in water and chloroform solution was performed. To characterize the system, we…”
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12
Old Tamil Kings and Chieftains as Described in Sangam Literature
Published in Cracow Indological Studies (2013)“…Old Tamil Sangam literature can offer some very concrete information about a number of local kings and chieftains (Pāri, Ōri, Āy, Naḷḷi, Pēkaṉ etc.) and…”
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13
Coordination-Driven Face-Directed Self-Assembly of Trigonal Prisms. Face-Based Conformational Chirality
Published in Journal of the American Chemical Society (18-06-2008)“…The coordination-driven self-assembly of four different trigonal prisms from 3 equiv of one of four different tetrapyridyl star connectors and 6 equiv of a…”
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14
On the Physicochemical Properties of Pyridohelicenes
Published in Chemistry : a European journal (13-01-2014)“…A comprehensive study on the physicochemical properties of a series of mono‐ and diaza[5]helicenes as well as mono‐ and diaza[6]helicenes is reported. Through…”
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15
Molecular Dynamics of a Grid-Mounted Molecular Dipolar Rotor in a Rotating Electric Field
Published in Proceedings of the National Academy of Sciences - PNAS (08-05-2001)“…Classical molecular dynamics is applied to the rotation of a dipolar molecular rotor mounted on a square grid and driven by rotating electric field E(ν) at T ⋍…”
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16
The Use of Cobalt-Mediated Cycloisomerisation of Ynedinitriles in the Synthesis of Pyridazinohelicenes
Published in Chemistry : a European journal (01-07-2014)“…A cobalt‐mediated [2+2+2] cycloisomerisation of ynedinitriles to helical pyridazines in good to high yields was developed. The construction of the pyridazine…”
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17
Tetrathiafulvalene-Oligo(para-phenyleneethynylene) Conjugates: Formation of Multiple Mixed-Valence Complexes upon Electrochemical Oxidation
Published in Chemistry : a European journal (03-05-2013)“…Short monodisperse oligo‐ (para‐phenyleneethynylene) (pOPE) units bearing laterally attached tetrathio‐substituted tetrathiofulvalene (TTF) units have been…”
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18
A successful strategy for estimating the consumption of needles and syringes by injecting drug users in the Czech Republic
Published in Adicciones (Palma de Mallorca) (2014)“…The objectives were to: (i) estimate the extent of the injecting equipment (IE) provided by needle exchange programs (NEPs) to injecting drug users (IDUs) in…”
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19
Exploring the “Goldilocks Zone” of Semiconducting Polymer Photocatalysts by Donor–Acceptor Interactions
Published in Angewandte Chemie (22-10-2018)“…Water splitting using polymer photocatalysts is a key technology to a truly sustainable hydrogen‐based energy economy. Synthetic chemists have intuitively…”
Get full text
Journal Article -
20
Synthesis of Long Oxahelicenes by Polycyclization in a Flow Reactor
Published in Angewandte Chemie (15-05-2017)“…A series of oxahelicenes composed of ortho/meta‐annulated benzene/pyridine and 2H‐pyran rings were synthesized on the basis of the cobalt(I)‐mediated (or…”
Get full text
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