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Tautomerism and Acidic Properties of N‐Unsubstituted Benzohydroxamic Acids: Semiempirical Quantum Chemical Estimation

✍ Scribed by T. V. Surova; A. N. Enyashin

Book ID
111551322
Publisher
SP MAIK Nauka/Interperiodica
Year
2003
Tongue
English
Weight
164 KB
Volume
44
Category
Article
ISSN
0022-4766

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Assignment of chemical shifts in benzohy
Assignment of chemical shifts in benzohydroxamic acid and structure of its silylated derivatives by 15N enrichment
✍ Jan Schraml; Vratislav Blechta; Ludmila Soukupová; Jindřich Karban; Jaromír Mind 📂 Article 📅 2003 🏛 John Wiley and Sons 🌐 English ⚖ 99 KB

## Abstract ^15^N isotopic enrichment was necessary for the unequivocal assignment of the ^1^H NMR lines to the protons in the NH–OH fragment of benzohydroxamic acid, BHXA, C~6~H~5~CONHOH, in dry dimethyl sulfoxide solutions. The assignment [δ(NH) = 11.21, δ(OH) = 9.01, ^1^__J__(^15^N,^1^H) = 102.2