Results 211 to 220 of about 18,166 (271)
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Silylated Tetrazoles and Triazoles
Zeitschrift für anorganische und allgemeine Chemie, 2009Abstract1‐Dimethysilyltetrazole (1) has been prepared from 1H‐tetrazole and chlorodimethylsilane in the presence of 2,6‐lutidine, bis(1‐tetrazolyl)dimethylsilane (2) from the reaction of 1H‐tetrazole, dimethyldichlorosilane and triethylamine and 5‐(trimethylsilylamino)‐1H‐tetrazole (3) from 5‐amino‐tetrazole monohydrate and hexamethyldisilazane.
Gronde, Ingo, Mitzel, Norbert W.
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2008
Tetrazoles were discovered by Bladin over 120 years ago (1885). Since then, tetrazole and its derivatives have attracted interest by their unique structure and extreme characteristics. Especially great activity in this field of chemistry has been observed since 1996.
R.E. Trifonov +2 more
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Tetrazoles were discovered by Bladin over 120 years ago (1885). Since then, tetrazole and its derivatives have attracted interest by their unique structure and extreme characteristics. Especially great activity in this field of chemistry has been observed since 1996.
R.E. Trifonov +2 more
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ChemInform Abstract: Reactions of Organotin Tetrazoles: Synthesis of Functionalized Poly‐tetrazoles.
ChemInform, 1999AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Mary F. Mahon +3 more
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Metal derivatives of tetrazoles
Russian Chemical Reviews, 2006AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
Oleg A. Ivashkevich +2 more
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Catalytic Direct Construction of Cyano-tetrazoles.
Organic Letters, 2020Cyano-tetrazole is the first reported compound that bears four nitrogen atoms in a single five-membered ring. This unique molecular scaffold has long been ignored after its discovery in 1885, mainly attributed to the scarcity of available synthetic ...
Ming-Yang Xiao +5 more
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Journal of the American Chemical Society, 2018
An efficient strategy for the intramolecular denitrogenative transannulation/C(sp2)-H amination of 1,2,3,4-tetrazoles bearing C8-substituted arenes, heteroarenes, and alkenes is described.
Sandip Das +3 more
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An efficient strategy for the intramolecular denitrogenative transannulation/C(sp2)-H amination of 1,2,3,4-tetrazoles bearing C8-substituted arenes, heteroarenes, and alkenes is described.
Sandip Das +3 more
semanticscholar +1 more source
The Azidoazomethine–Tetrazole Tautomerism [PDF]
Russian Chemical Reviews, 1975 The review deals with the literature on the azidoazomethine–tetrazole tautomerism of condensed tetrazoles with a detailed consideration of the influence of the structure of the condensed tetrazoles, the nature of the substituents, solvents, and temperature on the state of the azidoazomethine–tetrazole equilibrium.
L. F. Avramenko +3 more
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Tetrazoles. Part 47. A Route to Tetrazole‐Containing Dendrimers.
ChemInform, 2005AbstractFor Abstract see ChemInform Abstract in Full Text.
T. V. Artamonova +2 more
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Tetrazoles. 9. Acid-base properties of 5-substituted tetrazoles [PDF]
Chemistry of Heterocyclic Compounds, 1981 The basicities of series of 5-R-tetrazoles in aqueous solutions of sulfuric acid were studied by UV and PMR spectroscopy. The pKBH + values of these compound correlate with the σp substituent constants. The transmission factor of the p-phenylene ring (π' = 0.23) was calculated from the ratio of the reaction constants for protonation of substituted 5 ...
V. S. Poplavskii +3 more
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ChemInform Abstract: Tritylation of Tetrazole and 5‐Substituted Tetrazoles with Triphenylmethanol.
ChemInform, 2002AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
Yu. V. Grigor'ev +2 more
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