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Formation of N-Hydroxy-amines of Spin Labeled Nucleosides for 1H-NMR. Analysis

✍ Scribed by Alvydas J. Ozinskas; Albert M. Bobst

Publisher
John Wiley and Sons
Year
1980
Tongue
German
Weight
301 KB
Volume
63
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Amine‐oxide radical 1a was efficiently converted to the corresponding N‐hydroxy‐amine 2a with sodium dithionite in acetone/water. This reaction was used to develop a procedure for monitoring the NMR. spectra of sodium dithionite reduced amine‐oxide radicals and of novel reduced amine‐oxide‐labeled nucleosides.

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## Abstract One‐ and two‐dimensional NMR spectra of Tröger's base, (±)‐2,8‐dimethyl‐6__H__,12__H__‐5,11‐methanodibenzo[__b,f__][1,5]diazocine labelled on one of the nitrogen atoms, have been used to determine the chemical shifts, coupling constants, and Δ^13^C(^15^N) isotope shifts. Copyright © 200