abstract |
(57) [Summary] [Structure] Formula [Chemical Formula 1] Where n = 0 and X = Or n = 1 and X = 6,11-dimethylhexadeca-2,4, Compounds of 6,8,10,12,14-heptaene-2,15diyl group R 2 = trialkylsiloxy group or ether group. [Effect] The present compound is useful as a raw material for synthesizing astaxanthin. |