Improved procedure for the enantiometric synthesis of 1-hydroxy/acetoxy-2,6-diaryl-3,7-dioxabicycl |
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| Authors: | Ishibashi F Hayashita M Okazaki M Shuto Y |
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| Affiliation: | Faculty of Fisheries, Nagasaki University, Japan. fumito@net.nagasaki-u.ac.jp |
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| Abstract: | Short enantiomeric syntheses of the 1-hydroxy/acetoxy-3,7-dioxabicyclo[3.3.0]octane lignans, paulownin, and (+)-phrymarin I and II, were accomplished by starting from the chiral synthon, (R)-(+)-3-hydroxybutanolide, and employing photocyclization as the key step. |
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