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Molecular structure of 4-(3,5-dimethylpyrazol-1-yl)benzoic acid trifluoroacetate

✍ Scribed by Concepción Foces-Foces; Carlos Cativiela; María Mar Zurbano; Isabel Sobrados; Nadine Jagerovic; José Elguero

Publisher: Springer
Year: 1996
Tongue: English
Weight: 377 KB
Volume: 26
Category: Article
ISSN: 1572-8854
DOI: 10.1007/bf01668419

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Molecular structure of 4-p-hydroxyphenyl-3,5-dimethylpyrazole monohydrate

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Copper Complexes with the Ligand Methyl

Copper Complexes with the Ligand Methyl Bis(3,5-dimethylpyrazol-1-yl)acetate (Mebdmpza), Generated by In Situ Methanolic Esterification of Bis(3,5-dimethylpyrazol-1-yl)acetic Acid

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## Abstract Two novel complexes, [CuCl~2~(Mebdmpza)] (1) and [Cu~2~(μ‐O~4~C~2~)Cl~2~(Mebdmpza)~2~] (2) [Mebdmpza = methyl bis(3,5‐dimethylpyrazol‐1‐yl)acetate], were synthesized by reaction of CuCl~2~ with the precursor ligand bis(3,5‐dimethylpyrazol‐1‐yl)acetic acid (Hbdmpza) in methanol. The X‐ra

4-[(1,3-Dioxo-2-azaspiro[4.5]decan-2-y

4-[(1,3-Dioxo-2-azaspiro[4.5]decan-2-yl)amino]benzoic acid

✍ Dzierżawska-Majewska, Agnieszka ;Karolak-Wojciechowska, Janina ;Obniska, Jolanta 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 187 KB

In the structure of the title compound, C 16 H 18 N 2 O 4 , intermolecular N-HÁ Á ÁO [NÁ Á ÁO = 2.866 (3) A ˚] and O-HÁ Á ÁO [OÁ Á ÁO = 2.611 (3) A ˚] hydrogen bonds link molecules into a two-dimensional framework. The crystal structure is further stabilized by weak intermolecular C-HÁ Á ÁO interact

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4-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihy

4-[(1,5-Dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)iminomethyl]benzoic acid methanol solvate

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The title compound, C 19 H 17 N 3 O 3 ÁCH 3 OH, was synthesized by the reaction of 4-amino-1,5-dimethyl-2-phenyl-1,2-dihydropyrazol-3-one and 4-formylbenzoic acid in methanol solution. As expected, the antipyrine derivative adopts a trans configuration about the central C N bond. In the crystal stru