OXIDATION OF ALPHA-TOCOPHEROL WITH DIOXANE DIBROMIDE

Authors
WITKOWSKI S POPLAWSKI J
Citation
S. Witkowski et J. Poplawski, OXIDATION OF ALPHA-TOCOPHEROL WITH DIOXANE DIBROMIDE, Polish Journal of Chemistry, 70(11), 1996, pp. 1448-1452
Citations number
15
Categorie Soggetti
Chemistry
Journal title
Polish Journal of Chemistry → ACNP
ISSN journal
01375083
Volume
70
Issue
11
Year of publication
1996
Pages
1448 - 1452
Database
ISI
SICI code
0137-5083(1996)70:11<1448:OOAWDD>2.0.ZU;2-3
Abstract
alpha-Tocopherol 1a was oxidized by dioxane dibromide to 5-bromomethyl -gamma-tocopherylquinone 2b. The quinone 2b undergoes a spontaneous cy clization to 5-formyl-gamma-tocopherol 4. A mechanism of brominative o xidation and cyclization was proposed.