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4-Benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylic acid methanol solvate

✍ Scribed by Yıldırım, İsmail ;Özdemir, Namık ;Akçamur, Yunus ;Dinçer, Muharrem ;Andaç, Ömer

Publisher: International Union of Crystallography
Year: 2005
Tongue: English
Weight: 399 KB
Volume: 61
Category: Article
ISSN: 1600-5368
DOI: 10.1107/s1600536804034348

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Functionalization and cyclization reacti

Functionalization and cyclization reactions of 4-benzoyl-1,5-diphenyl- 1H-pyrazole-3-carboxylic acid

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## Abstract The 1__H__‐pyrazole‐3‐carboxylic acid 2 or its remarkably stable acid chloride 3 can easily be converted into the corresponding ester or amide derivatives 4 or 5, respectively, from reaction with alcohols or __N__‐nucleophiles. Pyrazolo[3,4‐__d__]pyridazines 6a,b are obtained from cyclo

Methyl 4-benzoyl-1,5-diphenyl-1H-pyrazo

Methyl 4-benzoyl-1,5-diphenyl-1H-pyrazole-3-carboxylate

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ChemInform Abstract: Functionalization a

ChemInform Abstract: Functionalization and Cyclization Reactions of 4-Benzoyl-1,5-diphenyl- 1H-pyrazole-3-carboxylic Acid.

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4-Benzoyl-N-methyl-1,5-diphenyl-1H-pyra

4-Benzoyl-N-methyl-1,5-diphenyl-1H-pyrazole-3-carboxamide

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Synthesis and some reactions of 4-(ethox

Synthesis and some reactions of 4-(ethoxycarbonyl)-1,5-diphenyl-1H-pyrazole-3-carboxylic acid

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## Abstract magnified image 1,5‐Diphenyl‐1__H__‐pyrazole‐3,4‐dicarboxylic acid‐4‐ethyl ester **2**, obtained from the 4‐ethoxycarbonyl‐5‐phenyl‐2,3‐furandione **1** and __N__‐benzylidene‐__N__′‐phenyl hydrazine, was converted __via__ reactions of its acid chloride **3** with various alcohols or N‐

4-Benzyl-3,5-diphenyl-1H-pyrazole

✍ Huang, Hai-Ping ;Wu, Qiong ;Liu, Li-Xia ;Sun, Qing-Fu 📂 Article 📅 2007 🏛 International Union of Crystallography 🌐 English ⚖ 158 KB

The molecules of the title compound, C~22~H~18~N~2~, are connected by N—H...N hydrogen bonds, forming cyclic dimers. These dimers are linked by C—H...π hydrogen bonds involving the phenyl rings as acceptors.