58846-73-4Relevant articles and documents
2,5,6,7,8-Pentasubstituted (S)- and (R)-[2-chroman-2-yl]ethanols as intermediates for the synthesis of α-tocopherol and its chiral analogs
Odinokov,Spivak,Emel'yanova,Gamalevich,Serebryakov
, p. 2121 - 2129 (2007/10/03)
In the presence of lipase from the yeast Candida cylindracea, partial acetylation of (±)-2-[6-benzyloxy-2,5,7,8-tetramethylchroman-2-yl]ethanol with vinyl acetate gives S-(+)-acetate whose alkaline hydrolysis affords (5)-( - )-alcohol. Repeated enzymatic
Antioxidant chroman compounds
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, (2008/06/13)
The (6-hydroxy-chroman-2-yl) acetic or carboxylic acid derivatives useful as antioxidants and a method for preparing these derivatives from hydroquinones and intermediates in this synthesis as well as the use of these derivatives as intermediates in the preparation of optically active alpha-tocopherol.