Search Results - "Čechová, Lucie"
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Influence of Intramolecular Charge Transfer and Nuclear Quantum Effects on Intramolecular Hydrogen Bonds in Azopyrimidines
Published in Journal of organic chemistry (06-10-2017)“…Intramolecular hydrogen bonds (IMHBs) in 5-azopyrimidines are investigated by NMR spectroscopy and DFT computations that involve nuclear quantum effects. A…”
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Photoswitching Behavior of 5‑Phenylazopyrimidines: In Situ Irradiation NMR and Optical Spectroscopy Combined with Theoretical Methods
Published in Journal of organic chemistry (01-06-2018)“…The photoswitching behavior of 5-phenylazopyrimidines was investigated by optical methods and NMR spectroscopy with in situ irradiation sustained by…”
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Photoswitchable Intramolecular Hydrogen Bonds in 5‐Phenylazopyrimidines Revealed By In Situ Irradiation NMR Spectroscopy
Published in Chemistry : a European journal (09-01-2018)“…NMR spectroscopy with in situ irradiation uncovered unique photoswitchable intramolecular hydrogen bonds (IMHBs) in 5‐phenylazopyrimidines with two hydrogen…”
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4
Tunable Push–Pull Interactions in 5‑Nitrosopyrimidines
Published in Journal of organic chemistry (06-05-2016)“…The effect of push–pull interactions in a series of variously substituted 5-nitrosopyrimidines on the strength of intramolecular hydrogen bonds, the height of…”
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5
Separation of rotamers of 5-nitrosopyrimidines and estimation of binding constants of their complexes with β-cyclodextrin by capillary electrophoresis
Published in Journal of Chromatography A (05-10-2018)“…•New type of stereoisomers – rotamers of 5-nitrosopyrimidines were analyzed by CE.•5-Nitrosopyrimidines form two rotamers stabilized by intramolecular hydrogen…”
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6
A Switchable Intramolecular Hydrogen Bond in Polysubstituted 5‑Nitrosopyrimidines
Published in Journal of organic chemistry (18-10-2013)“…The formation of strong intramolecular hydrogen bonds was observed in a series of 2-amino-5-nitrosopyrimidines with alkylamino and arylamino substituents at…”
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7
The optimized microwave-assisted decomposition of formamides and its synthetic utility in the amination reactions of purines
Published in Tetrahedron (04-02-2011)“…The microwave-assisted decomposition of DMF was thoroughly studied and the reaction conditions (temperature, solvent effect, and effect of additives, such as…”
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Synthesis and anti-human immunodeficiency virus activity of substituted (o,o-difluorophenyl)-linked-pyrimidines as potent non‐nucleoside reverse transcriptase inhibitors
Published in Antiviral chemistry & chemotherapy (01-01-2019)“…With the worldwide number of human immunodeficiency virus positive patients stagnant and the increasing emergence of viral strains resistant to current…”
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9
Hydrogen‐Bonding Interactions of Methylated Adenine Derivatives
Published in European journal of organic chemistry (06-08-2021)“…Hydrogen bonding between nucleobases is a crucial noncovalent interaction for the life on Earth. Apart from Watson‐Crick binding, Hoogsteen pairing has been…”
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10
Polysubstituted 5‐Phenylazopyrimidines: Extremely Fast Non‐ionic Photochromic Oscillators
Published in Angewandte Chemie International Edition (01-09-2020)“…Photochromic systems with an ultrahigh rate of thermal relaxation are highly desirable for the development of new efficient photochromic oscillators. Based on…”
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11
A study of azopyrimidine photoswitches and their interactions with cyclodextrins: When the guest governs the type of accommodation at the host
Published in Dyes and pigments (01-04-2023)“…Azopyrimidines have recently emerged as a new class of photoswitches structurally similar to azobenzenes switching between trans and cis isomers. These…”
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12
Photoswitching of 5-phenylazopyrimidines in crystalline powders and thin films
Published in Dyes and pigments (01-03-2022)“…Solid-state photoswitching enables the development of smart materials. However, the close packing of molecules and the lack of free volume in this state…”
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13
Long-range heteronuclear coupling constants in 2,6-disubstituted purine derivatives
Published in Magnetic resonance in chemistry (01-04-2012)“…Four‐ and five‐bond heteronuclear J‐couplings between the hydrogen H‐8 and carbons C‐6 and C‐2 in a series of 7‐ and 9‐benzyl substituted purine derivaties…”
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14
Compound instability in dimethyl sulphoxide, case studies with 5-aminopyrimidines and the implications for compound storage and screening
Published in Bioorganic & medicinal chemistry letters (15-10-2012)“…The oxidation reactions of 5-aminopyrimidine derivatives in dimethyl sulphoxide (DMSO) were studied. The DMSO solutions of the studied compounds became deeply…”
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15
Back Cover: Polysubstituted 5‐Phenylazopyrimidines: Extremely Fast Non‐ionic Photochromic Oscillators (Angew. Chem. Int. Ed. 36/2020)
Published in Angewandte Chemie International Edition (01-09-2020)“…Non‐ionic polysubstituted azopyrimidines with strong push–pull character are promising candidates for extremely fast photochromic oscillators. The fast…”
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16
Polysubstituted 5‐Phenylazopyrimidines: Extremely Fast Non‐ionic Photochromic Oscillators
Published in Angewandte Chemie (01-09-2020)“…Photochromic systems with an ultrahigh rate of thermal relaxation are highly desirable for the development of new efficient photochromic oscillators. Based on…”
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17
Photoswitchable Intramolecular Hydrogen Bonds in 5-Phenylazopyrimidines Revealed By In Situ Irradiation NMRSpectroscopy
Published in Chemistry : a European journal (09-01-2018)“…NMR spectroscopy with in situ irradiation uncovered unique photoswitchable intramolecular hydrogen bonds (IMHBs) in 5-phenylazopyrimidines with two hydrogen…”
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18
Rücktitelbild: Polysubstituted 5‐Phenylazopyrimidines: Extremely Fast Non‐ionic Photochromic Oscillators (Angew. Chem. 36/2020)
Published in Angewandte Chemie (01-09-2020)“…Nichtionische polysubstituierte Azopyrimidine mit starkem Push‐Pull‐Charakter sind vielversprechende Kandidaten für extrem schnelle photochrome Oszillatoren…”
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