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α-Oxo ketene dithioacetals and related compounds: versatile three-carbon synthons
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Efficient trifluoromethylation of C(sp2)–H functionalized α-oxoketene dithioacetals: a route to the regioselective synthesis of functionalized trifluoromethylated pyrazoles
TL;DR: In this paper, an operationally simple approach for the regioselective construction of diversely substituted trifluoromethylated pyrazoles via nucleophilic triplocarithmic trifluromethyle modification of α-oxoketene dithioacetals is described.
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Synthesis and [3+2] cycloaddition reaction of 3‐[(trimethylsilylmethylamino)(methylthio)‐methylene]heterocyclic compounds
TL;DR: In this paper, the 1,3-dipolar cycloadducts, 3-(2-oxazoli-dinylidene)-oxindole and -coumaran-2-one derivatives (8a-j, 9a-h), as well as pyrrolylidenecoumarantone and oxindole derivatives (12-15,17,18,18) were obtained via the 1-3-elimination of (methylthio)trimethylsilane.
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Synthese von N,N‐pentamethylen‐thiocarbamidsäure‐S‐(1‐benzoyl‐2,2‐bis‐methylthio)‐vinylestern und deren Reaktionen mit N‐Nucleophilen
TL;DR: In this article, the synthesis of S-(1-benzoyl-2-bis-methylthio)-vinyl N,N-Pentamethylene-thio-thiocarbamates and their reactions with N-Nucleophiles were studied.
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Synthesis, Spectroscopic Characterization and Antimicrobial Activity of Some New 2-Substituted Imidazole Derivatives
TL;DR: In this paper, the structure of the newly synthesized compounds has been confirmed by elemental analysis and spectra data, and they were screened for their antibacterial activities in vitro against Gram-positive (Staphylococcus aureus and Bacillus subtilis), Gram-negative (Pseudomonas aeuroginosa and Escherichia coli ) and antifungal activities against (Aspergillus fumigates, Syncephalastrum racemosum, Geotrichum candidum and Candida albicans).
Journal ArticleDOI
Cycloaddition reaction of vinylketene dithioacetals with generated -benzoquinones
TL;DR: In this article, the cycloaddition reaction/conjugate addition reaction was effectively controlled by a suitable combination of vinylketene dithioacetals and in situ generated p -benzoquinones.
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The chemistry of the thiol group.
TL;DR: The chemistry of the thiol group is studied in detail in order to establish a clear picture of the chiral stationary phase and its role in the polyene-like structure.
Journal ArticleDOI
Umpolung of the Reactivity of Carbonyl Compounds Through Sulfur-Containing Reagents
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Carbonsäurederivate, V. Substituierte Dithiocarbonsäuren und Ketenmercaptale
Rudolf Gompper,Werner Töpfl +1 more
TL;DR: In this paper, the herstellung von Dithiocarbonsauren aus CH-aciden Verbindungen und Schwefelkohlenstoff wird beschrieben.
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New class of mixed cuprate(I) reagents, lithium hetero(alkyl) cuprate(I), which allow selective alkyl group transfer
Journal ArticleDOI
Ketenderivate, XII. Beiträge zur Chemie der Dithiocarbonsäureester und Ketenmercaptale
Rudolf Gompper,Hartmann Schaefer +1 more
TL;DR: In this article, the Struktur des Benzoyl-dithioessaure-methylesters wird diskutiert und seine Umsetzung with Aminen beschrieben.