✦ LIBER ✦

15N NMR of stable nitroxides

✍ Scribed by I.A. Grigor'ev; L.B. Volodarsky; A.Z. Gogolev; R.Z. Sagdeev

Publisher: Elsevier Science
Year: 1985
Tongue: English
Weight: 370 KB
Volume: 122
Category: Article
ISSN: 0009-2614
DOI: 10.1016/0009-2614(85)85475-0

No coin nor oath required. For personal study only.

✦ Synopsis

15N NMR spccua of ni1ro.xide.s in solutions have been smdied for Ihe lirst rime. The hli constams for II& nilrogen atoms 01 nirrone and imine groups (a?) and also Tar nitrogen atoms 01 luncrional groups in posiCon 4 of imidazoline niwoxides have been drlermined. The influence 01 structural parameters on isotropic hli consmnls has been analyzed.

📜 SIMILAR VOLUMES

13C NMR of stable imidazoline nitroxides

✍ I.A. Grigor'ev; L.B. Volodarsky; A.Z. Gogolev; R.Z. Sagdeev 📂 Article 📅 1983 🏛 Elsevier Science 🌐 English ⚖ 392 KB

13C NMR spectra of the 15 stable imidazoline r&oxides have been studied. It has been shown that introduction of the N-oside oxygen atom to the 3 position is most favourable for penetration of the spin density to the C=N group of the imidazoline cycle. and for its effective migration about the conjug

NMR of 15N15N in nematic phases

✍ E.E. Burnell; C.A. De Lance 📂 Article 📅 1984 🏛 Elsevier Science 🌐 English ⚖ 280 KB

First Acetylenic Derivatives of Stable 3

First Acetylenic Derivatives of Stable 3-Imidazoline Nitroxides.

✍ Sergei F. Vasilevsky; Svetlana V. Klyatskaya; Olga L. Korovnikova; Dmitri V. Sta 📂 Article 📅 2005 🏛 John Wiley and Sons ⚖ 93 KB

## Abstract For Abstract see ChemInform Abstract in Full Text.

15N NMR study of tetrazoles

✍ Valentina N. Naumenko; Andrei O. Koren; Pavel N. Gaponik 📂 Article 📅 1992 🏛 John Wiley and Sons 🌐 English ⚖ 251 KB

## Abstract A natural abundance ^15^N NMR study was carried out on a series of 1‐ and 2‐mono‐ and 1,5‐ and 2,5‐disubstituted tetrazoles in different media. An erroneous assignment given in the literature for 2,5‐disubstituted tetrazoles was corrected using MNDO molecular orbital calculations and th

15N NMR spectra of carbolines

✍ J. Hodge Markgraf; David P. Richardson; Robert C. Livingston 📂 Article 📅 1993 🏛 John Wiley and Sons 🌐 English ⚖ 152 KB

## Abstract The ^15^N NMR spectra of α‐, β‐, γ‐ and δ‐carboline and a series of methyl, dihydro and tetrahydro derivatives are reported.

Quantitative 15N NMR spectroscopy

✍ George C. Levy; T. Pehk; P. R. Srinivasan 📂 Article 📅 1980 🏛 John Wiley and Sons 🌐 English ⚖ 410 KB

## Abstract Line intensities in ^15^N NMR spectra are strongly influenced by spin‐lattice and spin–spin relaxation times, relaxation mechanisms and experimental conditions. Special care has to be taken in using ^15^N spectra for quantitative purposes. Quantitative aspects are discussed for the ^15^