Results 101 to 110 of about 12,506 (227)

Cleavable β-cyanoethyl isocyanide in the Ugi tetrazole reaction [PDF]

, 2016
β-Cyanoethyl isocyanide is introduced as a cleavable isocyanide in the Ugi tetrazole reaction. Eleven examples are described that exhibit a broad scope and are obtained in good overall yields.
Kroon, Edwin, Dömling, Alexander, Katarzyna Kurpiewska (1508353), Alexander Dömling (1312329), Alexander Dömling, Edwin Kroon, Kalinowska-Tłuścik, Justyna, Edwin Kroon (3110565), Justyna Kalinowska-Tłuścik, Kurpiewska, Katarzyna, Katarzyna Kurpiewska, Justyna Kalinowska-Tłuścik (1508347)   +11 more
core   +2 more sources

A New Design Strategy of Series of Tetrazole-Based High-Energy-Density Energy Storage Molecular Systems

Energies
Innovative energy storage technologies in the energetic materials field represent a critical frontier in energy research. Consequently, we developed a performance regulation strategy based on tetrazolyl high-energy-density energy storage molecular ...
Xiaowei Wu, Qiyao Yu
doaj   +1 more source

Crystal structures of the three closely related compounds: bis[(1H-tetrazol-5-yl)methyl]nitramide, triaminoguanidinium 5-({[(1H-tetrazol-5-yl)methyl](nitro)amino}methyl)tetrazol-1-ide, and diammonium bis[(tetrazol-1-id-5-yl)methyl]nitramide monohydrate

Acta Crystallographica Section E: Crystallographic Communications, 2017
In the molecule of neutral bis[(1H-tetrazol-5-yl)methyl]nitramide, (I), C4H6N10O2, there are two intramolecular N—H...O hydrogen bonds. In the crystal, N—H...N hydrogen bonds link molecules, forming a two-dimensional network parallel to (-201) and weak C—
Lauren A. Mitchell, Gregory H. Imler, Damon A. Parrish, Jeffrey R. Deschamps, Philip W. Leonard, David E. Chavez   +5 more
doaj   +1 more source

Structure and reactivity of novel tetrazole-saccharinates useful as multidentate nitrogen ligands [PDF]

, 2017
Tese de doutoramento, Química, Faculdade de Ciências e Tecnologia, Universidade do Algarve, 2017Tetrazoles have attracted increasing attention in recent years in the fields of coordination and supramolecular chemistry, due to the excellent coordination ...
Ismael, Amin
core  

Synthesis and Evaluation of Photoreactive Tetrazole Amino Acids

, 2016
Six photoreactive tetrazole amino acids were efficiently synthesized either by the de novo Kakehi tetrazole synthesis method or by alkylation of a glycine Schiff base with tetrazole-containing alkyl halides, and four of them showed excellent reactivity ...
Yizhong Wang (270195), Qing Lin (5273)
core   +1 more source

Effect of tetrazole moiety on coordinating efficiency of deltorphin [PDF]

, 2004
A study of the effect of the tetrazole moiety, a cis-amide bond surrogate, on the Cu(II) coordinating properties of oligopeptides is reported. Insertion of the tetrazole moiety Ψ[CN4] into the peptide sequence of [D-Ala2]deltorphin I changes considerably
Zabrocki, Janusz, Lodyga-Chruscinska, Elzbieta, Chruscinski, Longin, Łodyga-Chruścińska, Elżbieta, Olczak, Jacek, Oldziej, Stanislaw, Sanna, Daniele, Micera, Giovanni, Ołdziej, Stanisław   +8 more
core   +1 more source

Crystal structure and Hirshfeld surface analysis of 5-(3-nitro-1H-pyrazol-4-yl)-1H-tetrazole

Acta Crystallographica Section E: Crystallographic Communications
5-(3-Nitro-1H-pyrazol-4-yl)tetrazole, C4H3N7O2, was synthesized from cyanopyrazole via the Huisgen reaction. The asymmetric unit contains two molecules, each displaying notable torsion between the pyrazole and tetrazole systems.
Shannon E. Creegan, James A. Ridenour, Patrick A. Caruana, Ian D. Giles, Andrew T. Kerr   +4 more
doaj   +1 more source

3-Nitro, 1-Amino Guanidine and 5-Hydrazino-1H-Tetrazole Derivatives as New Energetic Materials [PDF]

Iranian Journal of Chemistry & Chemical Engineering, 2015
The synthesis of 3-amino-1-nitroguanidine (3-ANQ) and 5-hydrazino tetrazole (5-HT) derivatives as new energetic materials are described. Reaction of 3-ANQ with triethyl orthoformate leads to the formation of 3-nitramino triazole while no reaction was ...
Javad Aboudi, Yadollah Bayat,, Yaghub Abedi, Mehdi Nabati, Mehrdad Mahkam   +4 more
doaj  

5-(2-Methyl-5-nitrophenyl)-1H-tetrazole

, 2008
In the title compound, C8H7N5O2, the benzene ring makes a dihedral angle of 45.7 (2)° with the tetrazole ring. In the crystal structure, the molecules are linked into a chain running along the a axis by N—H...N hydrogen bonds, and the ...
Jing Dai, Wei Dai
core   +1 more source

An Overview of Pyrazole-Tetrazole-Based Hybrid Compounds: Synthesis Methods, Biological Activities and Energetic Properties

Organics
Pyrazole and tetrazole are among the most important heterocyclic members of the azole family. Over the past decade, these N-heterocycles and their derivatives have demonstrated specific properties that give them potent applications in several fields such
Mounir Cherfi, Tarik Harit, Malika Amanchar, Ahlam Oulous, Fouad Malek   +4 more
doaj   +1 more source