Synthesis and functionalization of 5‐substituted tetrazoles

J Roh, K Vávrová, A Hrabálek - European Journal of Organic …, 2012 - Wiley Online Library
Tetrazoles are synthetic heterocycles with numerous applications in organic chemistry,
coordination chemistry, the photographic industry, explosives, and, in particular, medicinal …

Tetrazoles

GI Koldobskii, VA Ostrovskii - Russian Chemical Reviews, 1994 - iopscience.iop.org
A systematic account is given of the latest data on the methods of synthesis,
physicochemical properties, and practical application of tetrazoles. New results obtained in …

Vibrational spectroscopy of triazoles and tetrazole

F Billes, H Endrédi, G Keresztury - Journal of Molecular Structure …, 2000 - Elsevier
This work deals with the analysis of vibrational spectra of three five membered nitrogen
heterocycles, the parent compounds: 1, 2, 3-triazole, 1, 2, 4-triazole and tetrazole, and their …

Prototropic tautomerism of heterocycles: heteroaromatic tautomerism—general overview and methodology

J Elguero, AR Katritzky, OV Denisko - Advances in Heterocyclic Chemistry, 2000 - Elsevier
In 1963 one of us, together with JM Lagowski, published in Volumes 1 and 2 of Advances in
Heterocyclic Chemistry four chapters [63AHC (1), p. 312, p. 341; 63AHC (2), p. 3, p. 28] …

A ceric ammonium nitrate N-dearylation of Np-anisylazoles applied to pyrazole, triazole, tetrazole, and pentazole rings: release of parent azoles. Generation of …

RN Butler, JM Hanniffy, JC Stephens… - The Journal of Organic …, 2008 - ACS Publications
The reaction of cerium (IV) ammonium nitrate (CAN) with a range of N-(p-anisyl) azoles in
acetonitrile or methanol solvents leads to N-dearylation releasing the parent NH-azole and p …

Basicity of N‐H‐ and N‐Methyl‐1,2,3‐triazoles in the Gas Phase, in Solution, and in the Solid State − An Experimental and Theoretical Study

JLM Abboud, C Foces‐Foces, R Notario… - European Journal of …, 2001 - Wiley Online Library
The gas‐phase and aqueous basicities of six 1, 2, 3‐triazoles have been determined, the
former by FT‐ICR and the latter by spectrophotometry and 1H NMR. The gas‐phase …

Protolytic equilibria in tetrazoles

RE Trifonov, VA Ostrovskii - Russian Journal of Organic Chemistry, 2006 - Springer
Protolytic equilibria in tetrazoles Page 1 ISSN 1070-4280, Russian Journal of Organic
Chemistry, 2006, Vol. 42, No. 11, pp. 1585−1605.  Pleiades Publishing, Inc. 2006. Original …

Aromaticity indices revisited: refinement and application to certain five-membered ring heterocycles

SI Kotelevskii, OV Prezhdo - Tetrahedron, 2001 - Elsevier
Three simple improvements are introduced into the conventional Bird and Pozharskii
systems of the structural aromaticity indices (AIs) to eliminate discrepancies between them …

Synthesis of 5-arylamino-1H (2H)-tetrazoles and 5-amino-1-aryl-1H-tetrazoles from secondary arylcyanamides in glacial acetic acid: a simple and efficient method

ALIR MODARRESI-ALAM… - Turkish Journal of …, 2009 - journals.tubitak.gov.tr
A simple and efficient method for the preparation of 5-arylamino-1H (2H)-tetrazoles (3a-i)
and 5-amino-1-ary-1H-tetrazoles (4a-i), with excellent yields and high purity, from secondary …

A theoretical study of the tautomerism and ionization of 5-substituted NH-tetrazoles

RE Trifonov, I Alkorta, VA Ostrovskii… - Journal of Molecular …, 2004 - Elsevier
The energies, geometries and charge distributions of the five more stable forms (anion, 1H-
and 2H-neutral tautomers, 1, 3-H, H+-and 1, 4-H, H+-cation tautomers) of a series of 5-R …