Journal of Organic Chemistry p. 4271 - 4274 (1982)
Update date:2022-08-03
Topics:
Kraus, George A.
Taschner. Michael
Shimagaki, Masayuki
A 10-step route to the BCDE ring system of quasimarin (1) is described.Key features of the route include the regioselective protection of diketone 7 by use of intramolecular ketal formation, a two-step lactone to ether reduction, and a regioselective lactonization.The tetracyclic system 15 is produced in 29percent overall yield.
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Doi:10.1016/S0040-4039(00)87091-4
(1982)Doi:10.1021/jo00156a011
(1983)Doi:10.1016/S0040-4039(00)87257-3
(1982)Doi:10.1021/jm00366a024
(1983)Doi:10.1039/b412110d
(2005)Doi:10.1021/ma021656a
(2003)
