Synthesis and use of the spin labels: 2,2,6,6-tetramethyl-1-oxylpiperidine-4-maleimide and 2,2,6,6-tetramethyl-1-oxylpiperidine-4-isomaleimide
β Scribed by A. Yu. Misharin; O. L. Polyanovskii
- Book ID
- 112437744
- Publisher
- Springer
- Year
- 1974
- Tongue
- English
- Weight
- 262 KB
- Volume
- 23
- Category
- Article
- ISSN
- 1573-9171
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Stable isotope substituted spin labels increase t&e resolution and sensitivity of EPR measurements. An improved synthesis of N-(l-oxy1-2,2,6,6-tetramethyl-4-piperidiny1)maleimide has been devised and utilized. This improved synthesis is accomplished in five steps instead of the normally required sev
## Abstract PerdeuterioβNβ(1βoxylβ2,2,6,6βtetramethylβ4βpiperidinyl)βmaleimide has been prepared to improve sensitivity and resolution in its ESR spectrum. The synthesis involved modifications of procedures known for the corresponding protonated analog. Spectral data are presented for the product t