
Helvetica Chimica Acta p. 671 - 683 (1982)
Update date:2022-08-03
Topics:
Widmer, Erich
Lukac, Teodor
Bernhard, Kurt
Zell, Reinhard
Starting from optically inactive astaxanthin intermediates, the highly oxygenated carotenoid astacene was synthesized in seven steps (55percent overall yield from 6-oxo-isophorone).Key features of the new approach are base- and acid-catalyzed rearrangements of acetylenic intermediates such as those described in Schemes 2, 7 and 8.
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Doi:10.1016/S0040-4039(00)87386-4
(1982)Doi:10.1016/S0008-6215(00)85549-4
(1981)Doi:10.1002/hlca.19620450331
(1962)Doi:10.1021/jf034735+
(2003)Doi:10.1002/jhet.5570190313
(1982)Doi:10.1007/BF00506579
(1982)