Results 11 to 20 of about 379,552 (160)

[1,3]/[1,4]-Sulfur atom migration in β-hydroxyalkylphosphine sulfides

open access: yesBeilstein Journal of Organic Chemistry, 2020
β-Hydroxyalkylphosphine sulfides undergo [1,3]- or [1,4]-sulfur atom phosphorus-to-carbon migration in the presence of Lewis or Brønsted acids. The direction of sulfur atom migration depends on the type of acid used for the reaction. In the presence of a
Katarzyna Włodarczyk   +2 more
doaj   +1 more source

Methods of Organic Chemistry [PDF]

open access: yesNature, 1954
Methoden der organischen Chemie (Houben–Weyl.) Vierte, vollig neu gestaltete Auflage. Herausgegeben von Eugen Muller, unter besonderer Mitwirkung von O. Bayer, H. Meerwein und K. Ziegler. Band 8: Sauerstoffverbindungen 3, Peroxyde, Kohlensaurederivate, Nitrile und Isonitrile, Carbonsauren, Decarboxylierung, Carbonsaureester, Funktionelle N-Derivate der
openaire   +1 more source

Examining Challenges that Students Face in Learning Organic Chemistry Synthesis

open access: yesIJCER (International Journal of Chemistry Education Research), 2020
Organic chemistry is the offered after general chemistry and is the course that many find it challenging and difficult. Synthesis is first introduced in organic chemistry I course and is widely considered as one of the topics in which students struggle ...
Issa I. Salame   +2 more
doaj   +1 more source

High-Throughput Preparation of Antibacterial Polymers from Natural Product Derivatives via the Hantzsch Reaction

open access: yesiScience, 2020
Summary: The Hantzsch and free-radical polymerization reactions were combined in a one-pot high-throughput (HTP) system to simultaneously prepare 30 unique polymers in parallel.
Guoqiang Liu   +7 more
doaj   +1 more source

Diverse Biological Activity of Benzofuroxan/Sterically Hindered Phenols Hybrids

open access: yesPharmaceuticals, 2023
Combining two pharmacophores in a molecule can lead to useful synergistic effects. Herein, we show hybrid systems that combine sterically hindered phenols with dinitrobenzofuroxan fragments exhibit a broad range of biological activities.
Elena Chugunova   +18 more
doaj   +1 more source

The Teaching-Learning Process of Organic Chemistry in Agronomy Studies from an Interdisciplinary Perspective

open access: yesAgrisost, 2019
Context: The education of an agronomy engineer largely depends on Organic Chemistry, since it offers essential knowledge to develop modern and sustainable agriculture. Therefore, this subject should be linked to the professional training and practice of
Mercedes Caridad García González   +3 more
doaj   +3 more sources

Structure-Based Design, Synthesis, and Biological Evaluation of the Cage–Amide Derived Orthopox Virus Replication Inhibitors

open access: yesViruses, 2022
Despite the fact that the variola virus is considered eradicated, the search for new small molecules with activity against orthopoxviruses remains an important task, especially in the context of recent outbreaks of monkeypox.
Evgenii S. Mozhaitsev   +17 more
doaj   +1 more source

Education of organic chemistry at the grammar school - problem parts of subject

open access: yesSHS Web of Conferences, 2017
In teaching of chemistry, every teacher can enumerate some topics of the chemistry curriculum, which are hard to understand or to memorize for grammar school students. These topics were defined as a problematic parts of subject.
Tvarohová Eliška   +1 more
doaj   +1 more source

Specifics of Organizing Distance Learning of Organic Chemistry at a Pedagogical University in Conditions of a Pandemic Coronavirus Infection

open access: yesОткрытое образование (Москва), 2020
The purpose of the study is to identify the features of distance learning of organic chemistry in Omsk State Pedagogical University (OmSPU) during the coronavirus pandemic in conditions of self-isolation. Materials and methods.
E. A. Alekhina, N. A. Makarova
doaj   +1 more source

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