Results 161 to 170 of about 24,543 (214)

Strategies for synthesis of 1,2,4-triazole-containing scaffolds using 3-amino-1,2,4-triazole

Molecular Diversity, 2021
1,2,4-Triazole-containing scaffolds are unique heterocyclic compounds present in an array of pharmaceuticals and biologically important compounds used in the drug-discovery studies against cancer cells, microbes, and various types of disease in the human body.
Shima Nasri, Mohammad Bayat, Khudaidad Kochia   +2 more
openaire   +2 more sources

Novel Method for the Synthesis of 1,2,4‐Triazoles and 1,2,4‐Triazol‐3‐ones.

ChemInform, 2003
AbstractFor Abstract see ChemInform Abstract in Full Text.
Hanen Chouaieb, Mongi Ben Mosbah, Mohamed Kossentini, Mansour Salem   +3 more
openaire   +1 more source

Mass spectra of 1,2,4‐triazoles—II: Alkyl 1,2,4‐triazoles

Organic Mass Spectrometry, 1973
AbstractThe mass spectra of monomethyl 1,2,4‐triazoles contain fragment ions produced by specific cleavage of the heterocyclic ring. A major fragmentation from many molecular ions involves the elimination of HCN, but loss of N2 is either very small or completely absent.
A. J. Blackman, J. H. Bowie
openaire   +1 more source

Synthesis of Selenosemicarbazides and 1,2,4‐Triazoles.

ChemInform, 2006
AbstractChemInform 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.
Mamoru Koketsu, Yusuke Yamamura, Hideharu Ishihara   +2 more
openaire   +1 more source

ChemInform Abstract: 1,2,4‐TRIAZOLES. VII. METHYLATION OF 1,2,4‐TRIAZOLES

Chemischer Informationsdienst, 1977
AbstractMethylierung von 1,2,4‐Triazol und dessen symmetrisch 3,5‐disubst.
M. UDA, Y. HISAZUMI, K. SATO, S. KUBOTA
openaire   +1 more source

1,2,4-Triazole

2006
[288-88-0] C2H3N3 (MW 69.08) InChI = 1S/C2H3N3/c1-3-2-5-4-1/h1-2H,(H,3,4,5) InChIKey = NSPMIYGKQJPBQR-UHFFFAOYSA-N (transacylating agent used for ester and amide synthesis, especially in peptide synthesis; cyclization reactions; oligonucleotide synthesis) Physical Data: mp 120–121 °C; bp 260 °C (dec above 187 °C); fp 140 
Jean-Claude Gesquière, Christopher S. Siedem   +1 more
openaire   +1 more source

Rearrangement of N-nitro-1,2,4-triazoles into 3-nitro-1,2,4-triazoles

Journal of the Chemical Society, Chemical Communications, 1972
Syntheses of the N-nitro-1,2,4-triazoles (1) and (2) and their thermal isomerization into the 3-nitroderivatives (3) and (4) is described; this thermal rearrangement of N-nitro-azoles to their corresponding C-nitro-compounds is suggested to be an example of a [1,5] sigmatropic shift of the NO2 group.
Clarisse L. Habraken, Pauline Cohen-Fernandes   +1 more
openaire   +1 more source

Hydroxyphenylazo-1,2,4-triazoles

Australian Journal of Chemistry, 1973
Azo dyes have been prepared by coupling phenols with diazotized C- amino-1,2,4-triazole and p-aminophenyl-1,2,4-triazoles. Spectroscopic proofs of structure establish preferential para-coupling. The dyes exist in the azo form without evidence for quinone hydrazone tautomers. Spectroscopic evidence and chelation not involving the phenolic hydroxyl group
JB Polya, M Woodruff
openaire   +1 more source

1,2,4-Triazoles

2008
This chapter provides a critical update on developments in the chemistry of 1,2,4-triazoles over the last decade. 1,2,4-Triazoles have remained the topic of much research, primarily due to their ubiquitous presence in many pharmaceutical agents and, more recently, in other functional materials with uses in engineering as corrosion inhibitors and in ...
A.D.M. Curtis, N. Jennings
openaire   +1 more source

Azinoiminophosphorane Mediated 1,2,4‐Triazole Synthesis.

ChemInform, 2002
AbstractFor Abstract see ChemInform Abstract in Full Text.
Chang Hoon Lee, Kee‐Jung Lee
openaire   +1 more source