摘要:
Isozeaxanthin was treated with trifluoroacetic acid and tetra-O-benzoyl-1-thio-beta-D-glucose to afford beta,beta-carotene-4,4'-bisthioglucoside isomers in good yields. The deprotected compounds are mimetics of naturally occurring thermoxanthins and can show favourable effects against oxidation stress. (C) 2010 Elsevier Ltd. All rights reserved.