Friedel-Crafts chemistry. Part 55. Competing indan versus tetralin ring formations during Friedel-Crafts intramolecular cyclialkylations of some selected di-, tri- and tetraphenylated alkanols [PDF]
Assiut University Journal of Multidisciplinary Scientific Research, 2018 Friedel-Crafts cyclialkylations of six phenylated alkanols 2a-f to new substituted indans andtetralins mediated by AlCl3/CH3NO2, 85% H2SO4 and/or PPA are described.
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Frontiers in Pharmacology, 2022 The complexity of chemical components of herbal medicines often causes great barriers to toxicity research. In our previous study, we have found the critical divergent hepatotoxic potential of a pair of stilbene isomers in a famous traditional Chinese ...
Juan Liu +12 more
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The influence of stereoisomerism on the biological behavior of 99mTc labeled penicillamine
, 2009 The aim of this study is to investigate stereoisomeric behavior of penicillamine and the effect of temperature on labeling. In addition, it was explored how stereoisomerism affected biological behavior of them.
Teksoz S. +4 more
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Analysis of cis-isomer-enriched dihydroquercetin sample by 1D and 2D NMR spectroscopy
Разработка и регистрация лекарственных средствIntroduction. The structure of dihydroquercetin (DHQ) is characterized by two chiral centers at positions 2 and 3 of the benzopyran cycle, resulting in possible diastereomers: trans- and cis-isomers.
R. P. Terekhov +5 more
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THE INFLUENCE OF 5E INSTRUCTIONAL MODEL ON SENIOR HIGH STUDENTS’ PERFORMANCE IN STEREOISOMERISM IN BOLGATANGA AREA, GHANA [PDF]
This study investigated the effectiveness of the 5E instructional model in improving Senior High School students’ performance in stereoisomerism in the Bolgatanga area of Ghana. The study was motivated by persistent poor performance in organic chemistry,
Nyamekye, Kolani +3 more
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PharmaceuticalsBackground: Type 2 diabetes mellitus (T2DM) is a prevalent metabolic disease with global implications, necessitating effective management strategies.
Tatiana V. Zinevich +7 more
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Proceedings, 2020 The crystal structures of 4-(3,4-dimethoxyphenylethylamino)-methylidene-2,3,4,10-tetrahydro-1H-pyrido[2,1-b]-quinazolin-10-one (1) and 4-(3,4-methylene-dioxyphenylethylamino)-methylidene-2,3,4,10-tetrahydro-1H-pyrido[2,1-b]-quina-zolin-10-one ...
Akmaljon Tojiboev +7 more
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Advanced Science, 2023 Amino acids (AAs) and ammonia are metabolic markers essential for nitrogen metabolism and cell regulation in both plants and humans. NMR provides interesting opportunities to investigate these metabolic pathways, yet lacks sensitivity, especially in case
Ewoud Vaneeckhaute +4 more
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A multifaceted review on dihydromyricetin resources, extraction, bioavailability, biotransformation, bioactivities, and food applications with future perspectives to maximize its value [PDF]
, 2021 Natural bioactive compounds present a better alternative to prevent and treat chronic diseases owing to their lower toxicity and abundant resources. (+)-Dihydromyricetin (DMY) is a lavanonol, possessing numerous interesting bioactivities with abundant ...
Le, Nguyen Phan Khoi +11 more
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Stereodynamics of E/Z isomerization in rotaxanes through mechanical shuttling and covalent bond rotation [PDF]
, 2021 We report on a set of rotaxanes with symmetrical axles equipped with a central amide group that installs E/Z stereoisomerism owing to the ring position along the axle. Isomerization by concomitant rotation about the amide bond and ring shuttling along
Baroncini, Massimo +9 more
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