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One-Pot Synthesis and Crystal Structure of Methyl 5-Hydroxy-1-phenyl-1H-pyrazole-3-carboxylate

✍ Scribed by Saeed, Aamer; Arshad, Ifzan; Flörke, Ulrich

Book ID
118736257
Publisher
MDPI AG
Year
2012
Tongue
English
Weight
181 KB
Volume
2
Category
Article
ISSN
2073-4352

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Ethyl 1-[(6-chloro­pyridin-3-yl)meth­yl]
Ethyl 1-[(6-chloro­pyridin-3-yl)meth­yl]-3-phenyl-1H-pyrazole-5-carboxyl­ate
✍ Xia, Yong ;Ding, Xiao-Ling ;Ge, Yan-Qing ;Liu, Lian-Dong ;Zhao, Bao-Xiang 📂 Article 📅 2006 🏛 International Union of Crystallography 🌐 English ⚖ 107 KB

In the title compound, C 18 H 16 ClN 3 O 2 , the dihedral angles made by the pyrazole ring with the pyridine and phenyl rings are 82.43 (2) and 8.16 (3) , respectively. The crystal packing is stabilized mainly by van der Waals forces.

Formation and structure of 1-Amino-4-met
Formation and structure of 1-Amino-4-methyl-4-(4-methyl-5-phenyl-1H-pyrazol-3-ylamino)-3-phenyl-4,5-dihydro-1H-pyrazol-5-one
✍ Donato Donati; Stefania Fusi; Fabio Ponticelli 📂 Article 📅 1998 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 281 KB 👁 1 views

The title compound 3 was obtained during the rearrangement of isoxazol-5-yl hydrazine 1 to 1 -aminopyrazolone 2 at \(115^{\circ}\). X-ray analysis of the corresponding benzylidene derivative allowed us to achieve the structure assignment.

ChemInform Abstract: Formation and Struc
ChemInform Abstract: Formation and Structure of 1-Amino-4-methyl-4- (4-methyl-5-phenyl-1H-pyrazol-3-ylamino) -3-phenyl-4,5-dihydro-1H-pyrazol-5-one.
✍ D. DONATI; S. FUSI; F. PONTICELLI 📂 Article 📅 2010 🏛 John Wiley and Sons ⚖ 30 KB 👁 1 views

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