Results 11 to 20 of about 6,045 (297)
Mechanochemical synthesis of thioureas, ureas and guanidines
Beilstein Journal of Organic Chemistry, 2017 In this review, the recent progress in the synthesis of ureas, thioureas and guanidines by solid-state mechanochemical ball milling is highlighted. While the literature is abundant on their preparation in conventional solution environment, it was not ...
Vjekoslav Štrukil
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ChemElectroChemRedox‐active guanidines represent compounds with guanidino groups that are stable in at least two different redox states. This unique class of molecules is of significant interest for a variety of research areas, including coordination chemistry ...
Hans‐Jörg Himmel
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One-pot synthesis of diverse N,N '-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines via N-phthaloyl-guanidines [PDF]
, 2018 A sequential one-pot approach towards N,N-disubstituted guanidines from N-chlorophthalimide, isocyanides and amines is reported. This strategy provides straightforward and efficient access to diverse guanidines in yields up to 81% through previously ...
Kanizsai Iván +4 more
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Electrocatalytic Desulfurizative Amination of Thioureas to Guanidines
, 2023 Guanidine has been known as an important class of N-containing molecules with a wide range of applications. Described here is a selective and efficient electrochemical approach to the synthesis of guanidines from easily accessible thioureas and amines ...
Chunlan Song +7 more
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A Comparative Study of Ultrasound Biodiesel Production Using Different Homogeneous Catalysts
ChemEngineering, 2019 Biodiesel (BD) is a liquid fuel that consists of mono alkyl esters of long chain fatty acids derived from vegetable oil or fat. Recently, biodiesel has received additional attention and intense research has been performed in this field due to its ...
Kiran Shinde, Serge Kaliaguine
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A comparative analysis of virucidal efficiency of biocide agents
Вопросы вирусологии, 2017 The main groups of biocide agents used for inactivation of bacteria and viruses were studied for their virucidal activity against enveloped (HIV, viral hepatitis C, influenza virus A) and non-enveloped viruses (poliovirus, adenovirus).
N. N. Nosik, D. N. Nosik, A. I. Chizhov
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The Chemistry of Guanidine, Guanidinium, and Guanidinate Compounds [PDF]
Australian Journal of Chemistry, 2014 Guanidine-based functional groups occur in many branches of chemistry, due in part to their ability to exist as neutral (guanidine), cationic (guanidinium), and anionic (guanidinate) entities. With such a rich chemistry, it is undoubtedly difficult for researchers to follow the development of so many aspects of guanidine chemistry, especially when ...
Choon Hong Tan, Martyn Coles
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Catalytic Synthesis of Cyclic Guanidines via Hydrogen Atom Transfer and Radical-Polar Crossover
, 2020 Cyclic guanidines are found in many biologically active compounds and natural products. Further, the for-mation of the atypical 7-membered ring of cyclic guanidine remains challenging due to a lack of efficient preparation strategies and low yield ...
Hiroki, Koyama +2 more
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Nature Communications, 2021 So far, only a few chemical oscillators based on organic reactions have been developed. Here, the authors report both autocatalytic and oscillatory reaction networks that form substituted guanidines from thiouronium salts; when coupled to cascade ...
Alexander I. Novichkov +5 more
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Medical Sciences Forum, 2022 Our previous research proved that benzenesulfonylguanidine derivatives display significant cytotoxic activity against human cancer cells. Here, we describe new 1-(2-alkylthio-4-chloro-5-methylbenzenesulfonyl)guanidines with cytotoxic activity against HCT-
Aneta Pogorzelska +2 more
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