Journal ArticleDOI
Correlation of ring nitrogen substituents with carbon‐13 nuclear magnetic resonance data in azoloazines
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TLDR
In this article, a step-wise linear multiple regression with nitrogen substituents in both the 5- and 6-membered rings using pyrrolo[1,2-α]pyridine as the reference for chemical shift correlation was performed.About:
This article is published in Journal of Heterocyclic Chemistry.The article was published on 1987-05-01. It has received 32 citations till now. The article focuses on the topics: Chemical shift.read more
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Book ChapterDOI
1,2,4-Triazolo[1,5-a]pyrimidines
TL;DR: The formation of 1,2,4-triazolo [1,5-a] pyrimidines (TPs) was first reported by Biilow and Haas.
Journal ArticleDOI
Synthesis of pyrazolo[1,5‐a]‐, 1,2,4‐triazolo[1,5‐a]‐ and imidazo[1,2‐a]pyrimidines related to zaleplon, a new drug for the treatment of insomnia
TL;DR: In this paper, the preparation of pyrazolo[1,5-a]-, 1,2,4-triazolo[ 1,5a]- and imidazo[1.2]-pyrimidines substituted on the pyrimidine moiety by a 4-[(N-acetyl-N-ethyl)amino]phenyl group was described.
Journal ArticleDOI
The X-ray structure and spectroscopy of platinum(II) complexes with 1,2,4-triazolo[1,5-a]pyrimidines and dimethylsulfoxide
Edward Szłyk,Iwona Łakomska,Andrzej Surdykowski,Tadeusz Głowiak,Leszek Pazderski,Jerzy Sitkowski,Lech Kozerski +6 more
TL;DR: In this article, the crystal structure of trans-[PtCl2(dmso)(dmtp)] (2) has been determined and the molecular structure indicates that Pt(II) ion has the square-planar geometry with N(3) bonded dmtp, S-bonded dimethylsulfoxide and two trans chloride anions.
Journal ArticleDOI
Influence of pseudohalide ligands on the structural versatility and properties of novel ternary metal complexes with 1,2,4-triazolo[1,5-a]pyrimidine
TL;DR: In this article, a multidimensional metal-II complex was synthesized by conventional reactions of the 1,2,4-triazolo[1,5-a]pyrimidine with metallic(II) salts in the presence of thiocyanate, cyanate, and azide as auxiliary ligands.
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Journal ArticleDOI
Carbon-13 magnetic resonance. XXVI. A quantitative determination of the tautomeric populations of certain purines.
Journal ArticleDOI
Carbon-13 magnetic resonance. XXV. Basic set of parameters for the investigation of tautomerism in purines established from carbon-13 magnetic resonance studies using certain purines and pyrrolo[2,3-d]pyrimidines
Journal ArticleDOI
Carbon-13 magnetic resonance. XIX. Benzimidazole, purine, and their anionic and cationic species
David M. Grant,Ronald J. Pugmire +1 more
Journal ArticleDOI
Carbon-13 magnetic resonance. XIV. Aza-analogs of polycyclic aromatic hydrocarbons
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Triazolo[1,5-a]- and -[4,3-a]pyrimidine aus 3-Alkoxyacroleinen und 3-Amino-1,2,4-triazolen
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