M. Nakano et al., Novel synthesis of the allene moiety of carotenoids via biomimetic photosensitized oxygenation, TETRAHEDR L, 42(41), 2001, pp. 7307-7310
A novel synthesis of the allene moiety of carotenoids was achieved by the r
egioselective ene reaction of the vinyl hydrogen rather than the allyl hydr
ogen of the significantly twisted 1,3-dienes, (3R)-alkoxy-cis-beta -ionol d
erivative, followed by selective allyl rearrangement. beta 2001 Elsevier Sc
ience Ltd. All rights reserved.