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Reaction of 2-hydroxyethylhydrazine with a trifluoromethyl-β-diketone: Study and structural characterization of a new 5-hydroxy-5-trifluoromethyl-4,5-dihydropyrazole intermediate

✍ Scribed by Vanessa Montoya; Josefina Pons; Jordi García-Antón; Xavier Solans; Mercè Font-Bardia; Josep Ros

Book ID
108170501
Publisher
Elsevier Science
Year
2007
Tongue
English
Weight
336 KB
Volume
128
Category
Article
ISSN
0022-1139

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📜 SIMILAR VOLUMES

Reaction of 2-Hydroxyethylhydrazine with
Reaction of 2-Hydroxyethylhydrazine with a Trifluoromethyl-β-diketone: Study and Structural Characterization of a New 5-Hydroxy-5-trifluoromethyl-4,5-dihydropyrazole Intermediate.
✍ Vanessa Montoya; Josefina Pons; Jordi Garcia-Anton; Xavier Solans; Merce Font-Ba 📂 Article 📅 2007 🏛 John Wiley and Sons ⚖ 18 KB 👁 1 views

## Abstract ChemInform 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.

Structure of the products of condensatio
Structure of the products of condensation of hydroxylamine with trifluoromethyl-β-diketones: assignments of the diastereotopic protons of the 4-methylene group in 5-hydroxy-5-trifluoromethyl-Δ2-isoxazolines
✍ Dionisia Sanz; Rosa M. Claramunt; Shiv P. Singh; Vinod Kumar; Ranjana Aggarwal; 📂 Article 📅 2005 🏛 John Wiley and Sons 🌐 English ⚖ 106 KB

The combined use of 1H NMR spectroscopy with theoretical calculations of chemical shifts (GIAO) and coupling constants (B3LYP/6-311 ++G\*\*) of a 5-hydroxy-5-trifluoromethyl-Delta2-isoxazoline has enabled solving the problem of the assignments of the diastereotopic protons in this compound. This res