Spin-labeling of polysaccharides by esterification using 3-chloroformyl-2,2,5,5-tetramethylpyrroline-1-oxide
โ Scribed by Thomas P. Mawhinney; Kathryn I. Florine; Milton S. Feather; David L. Cowan
- Book ID
- 107725283
- Publisher
- Elsevier Science
- Year
- 1983
- Tongue
- English
- Weight
- 259 KB
- Volume
- 116
- Category
- Article
- ISSN
- 0008-6215
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๐ SIMILAR VOLUMES
Phorone and [2H14]phorone w e r e c y c l i z e d w i t h 15NH3 o r t o [ l5N]-o r [ 15N,2B17]-4-oxo-2,2,6,6-tetramethyl-15N2H3 p i p e r i d i n e which w e r e t h e n brominated a t C-3 and C-5. Ring c o n t r a c t i o n t h e n gave 2,2,5,5-tetramethyl~~rroline -3carboxamide, which w i t h H 2
Stable nltroxlde free radicals have recently come Into prominence (1) particularly as spin-labeling molecules. (2,3) In order to assess the stability of the nltroxlde moiety to ultraviolet irradiation, we have