Search Results - "Kwit, Marcin"
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The gains from breaking symmetry
Published in Nature chemistry (01-07-2021)“…All-carbon quaternary centres are challenging targets in organic synthesis. Now, the development of a zinc-catalysed desymmetrization method enables the…”
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Point-to-Axial Chirality Transmission: A Highly Sensitive Triaryl Chirality Probe for Stereochemical Assignments of Amines
Published in Journal of organic chemistry (21-08-2020)“…A readily available stereodynamic and the electronic circular dichroism (ECD)-silent 2,5-di(1-naphthyl)-terephthalaldehyde-based probe has been applied for…”
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Chiral Cocrystal Solid Solutions, Molecular Complexes, and Salts of N -Triphenylacetyl-l-Tyrosine and Diamines
Published in International journal of molecular sciences (10-10-2019)“…The molecular recognition process and the ability to form multicomponent supramolecular systems have been investigated for the amide of triphenylacetic acid…”
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Trityl-Containing Alcohols-An Efficient Chirality Transmission Process from Inductor to the Stereodynamic Propeller and their Solid-State Structural Diversity
Published in Molecules (Basel, Switzerland) (06-02-2020)“…The cascade process of a dynamic chirality transmission from the permanent chirality center to the stereodynamic triphenylmethyl group has been studied for…”
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Specific Noncovalent Association of Chiral Large-Ring Hexaimines: Ion Mobility Mass Spectrometry and PM7 Study
Published in Chemistry : a European journal (05-09-2016)“…Ion mobility mass spectrometry and PM7 semiempirical calculations are effective complementary methods to study gas phase formation of noncovalent complexes…”
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“Double-Twist”-Based Dynamic Induction of Optical Activity in Multichromophoric System
Published in Symmetry (Basel) (01-02-2021)“…The electronic circular dichroism (CD)-silent 2,5-bis(biphen-2-yl)terephthalaldehyde has been used as a sensor (reporter) of chirality for primary amines. The…”
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A Second-Generation Palladacycle Architecture Bearing a N-Heterocyclic Carbene and Its Catalytic Behavior in Buchwald–Hartwig Amination Catalysis
Published in Catalysts (01-03-2023)“…Palladacyclic architectures have been shown as versatile motifs in cross-coupling reactions. NHC-ligated palladacycles possessing unique electronic and steric…”
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Mechanism and Enantioselectivity of [Zinc(diamine)(diol)]-Catalyzed Asymmetric Hydrosilylation of Ketones: DFT, NMR and ECD Studies
Published in European journal of organic chemistry (01-01-2013)“…NMR and ECD measurements together with density functional theory computations were used to analyze the mechanism of [Zn(diamine)(diol)]‐catalyzed ketone…”
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Synthesis, Absolute Configuration, Antibacterial, and Antifungal Activities of Novel Benzofuryl β -Amino Alcohols
Published in Materials (14-09-2020)“…A series of new benzofuryl -azole ketones was synthesized and reduced by asymmetric transfer hydrogenation (ATH). Novel benzofuryl -amino alcohols bearing an…”
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Dynamic Formation of Noncovalent Calixsalen Aggregates
Published in Chemistry : a European journal (13-07-2015)“…A procedure for studying “dynamic structural behavior” of large chiral macrocycles is presented. Ion mobility MS, diffusion‐ordered NMR spectroscopy (DOSY…”
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Density Functional Theory Calculations of the Optical Rotation and Electronic Circular Dichroism: The Absolute Configuration of the Highly Flexible trans-Isocytoxazone Revised
Published in Journal of organic chemistry (06-11-2009)“…Ab initio calculations of the optical rotation (OR) and electronic circular dichroism (ECD) for a series of trans-diastereomers of the natural cytokine…”
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C-hexaphenyl-substituted trianglamine as a chiral solvating agent for carboxylic acids
Published in Organic & biomolecular chemistry (07-06-2011)“…Chiral hexaazamacrocycles with a trianglamine structure and C(3)-symmetry, containing six ring substituents and twelve stereocenters have been tested as chiral…”
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Optical Activity and Helicity Enhancement of Highly Sensitive Dinaphthylmethane-Based Stereodynamic Probes for Secondary Alcohols
Published in ACS omega (28-02-2019)“…Chirality transfer from circular dichroism (CD)-silent secondary alcohol (inductor) to the stereodynamic bichromophoric di(1-naphthyl)methane probe…”
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Circular dichroism, optical rotation and absolute configuration of 2-cyclohexenone-cis-diol type phenol metabolites: redefining the role of substituents and 2-cyclohexenone conformation in electronic circular dichroism spectra
Published in Organic & biomolecular chemistry (21-12-2010)“…The absolute configurations of 2-cyclohexenone cis-diol metabolites resulting from the biotransformation of the corresponding phenols have been determined by…”
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Trianglamines-Readily Prepared, Conformationally Flexible Inclusion-Forming Chiral Hexamines
Published in Chemistry : a European journal (08-02-2006)“…Trianglamines, macrocyclic heteraphanes, were readily synthesised through a [3+3] cyclocondensation of (R,R)‐1,2‐diaminocyclohexane with terephthalaldehyde,…”
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Diversity of N‐triphenylacetyl‐l‐tyrosine solvates with halogenated solvents
Published in Acta crystallographica. Section C, Crystal structure communications (01-12-2021)“…The structure of N‐triphenylacetyl‐l‐tyrosine (C29H25NO4, l‐TrCOTyr) is characterized by the presence of both donors and acceptors of classical hydrogen bonds…”
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Unravelling Structural Dynamics, Supramolecular Behavior, and Chiroptical Properties of Enantiomerically Pure Macrocyclic Tertiary Ureas and Thioureas
Published in Journal of organic chemistry (06-01-2023)“…The introduction of urea or thiourea functionality to the macrocycle skeleton represents an alternative way to control conformational dynamics of chiral,…”
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Helicity Induction in a Bichromophore: A Sensitive and Practical Chiroptical Method for Absolute Configuration Determination of Aliphatic Alcohols
Published in Organic letters (28-11-2002)“…A practical method for the determination of the absolute configuration of aliphatic secondary alcohols, based on the circular dichroism of the readily…”
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Synthesis, structure, and contrasting chiroptical properties of large trianglimine macrocycles
Published in Chirality (New York, N.Y.) (2005)“…We have synthesized a number of large trianglimine macrocycles (3a–3f) using our methodology of (3+3) cyclocondensation of (R,R)‐trans‐1,2‐diaminocyclohexane…”
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