Results 91 to 100 of about 6,074 (218)
CHIMIA, 2007 This mini-review concerns the broad application of (S)- and (R)-5-pyrrolidin-2-yl-1H-tetrazoles as organocatalysts. A summary of methods for their synthesis is followed by a discussion of the general reaction mechanism and subsequent analysis of
Deborah A. Longbottom +2 more
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, 2016 A mild and regioselective 2-arylation of 5-substituted tetrazoles is described. The reaction proceeds regioselectively with a variety of arylboronic acids in the presence of [Cu(OH)(TMEDA)]2Cl2 to afford 2,5-disubstituted tetrazoles.
Takuya Onaka (1776739) +4 more
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Síntesis de tetrazoles a partir de aldononitrilos acetilados [PDF]
, 1974 El presente trabajo tuvo por objeto la síntesis de 5—(poliacetoxialquil)-tetrazoles a partir de algunos aldononitrilosacetilados. A partir de los 5-(poliacetoxialquil)-tetrazolesse obtuvieron los 5-(polihidroxialquil)-tetrazoles correspondientes.
Seldes, Alicia Marta
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An Efficient One-Pot Three-Component Synthesis of Novel Sulfanyl Tetrazoles Using Ionic Liquids
Journal of Chemistry, 2013 An efficient, simple, and environmentally benign method for the synthesis of novel sulfanyl tetrazoles has been achieved by one-pot three-component reaction of phenacyl bromides/3-(2-bromoacetyl)coumarins with KSCN and NaN3 using [Bmim]BF4 ionic liquid ...
Sankari Kanakaraju +2 more
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Synthesis and Functionalization of 5-Substituted Tetrazoles
, 2010 In the last decades, the chemistry of tetrazoles underwent a great expansion, which was closely connected with their usage as an isosteric replacement of carboxylic acid moiety in the molecules of potential or clinically used drugs.
Roh, Jaroslav
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Biological applications of tetrazoles and their derivatives [PDF]
, 2018 Due to the wide range of applications of tetrazoles, in recent years the number of publications and patents describing the synthesis, structural and physicochemical studies of compounds that contain tetrazole fragments in their structure has increased ...
Olszewska, A., Strzempek, W.
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Supramolecular cyclodextrin catalysis for green click synthesis of tetrazoles
Results in ChemistryTetrazole-containing molecules have attracted considerable interest owing to their chemical stability and wide-ranging biological applications. In this study, cyclodextrins (CDs) were investigated as phase-transfer catalysts for the green synthesis of 5 ...
Riham Sghyar +9 more
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, 2019 An efficient, one-pot method for the preparation of 5-(1-hydroxyalkyl)tetrazoles is reported. N-Morpholinomethyl-5-lithiotetrazole, generated by the deprotonation of 4-(N-tetrazolylmethyl)morpholine with LiHMDS, undergoes addition to ketones and ...
Panagiotis D. Alexakos (7388786) +1 more
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ZNCL2/ALCL3/SILICA (ZAS) AS AN EFFECTIVE HETEROGENEOUS CATALYST FOR THE SYNTHESIS OF 5-RYLOXYTETRAZOLES [PDF]
Chemistry Journal of Moldova: General, Industrial and Ecological Chemistry, 2012 A simple and efficient method for preparation of 5-aryloxy tetrazoles (3a-h) from arylcyanates (1a-h) with using ZnCl2/AlCl3/silica (ZAS) as an effective heterogeneous catalyst in solvent free are described with excellent yields and high purity. The rate
F. Khamooshi, B. H. K. Jhaleh
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Tetrazoles: Synthesis, Structures, Physico-Chemical Properties and Application
, 2003 The paper represents a brief review of works published by the authors over a period of 1980-2003 years in the field of synthesis and investigations of properties of tetrazole derivatives.
Gaponik, P. N., Ivashkevich, J. A.
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