1907123-198198! () ()( )()!!! 1013:Y : Wikipedia
2012.9.27
113 1130.667ms 17 1356
!! αβγ 238 U (238) 206 Pb (206) βγ 18 F (18) 18 O (18) PET
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235 U + n 95 Mo + 139 La + 2n 238 U + 239 Pu 239 Pu
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(ZnO 2 ) 25000 vs 100
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4 10,,, -1 2- -12
(Isomers) 7 14! 3 3 3 (Structural Isomers) Stereoisomers) 3 (Z)-isomer 3 3 3 Achiral 3 (E)-isomer 3 3 3 3 hiral Geometric Isomers) Diastereomers) Enantiomers) (R) 3 3 (R) (S) 3 (S) 3 (R) 3 (S) 3 (S) 3 3 (R) Achiral
(Enantiomer) (hiral) (hirality) (Achiral)! O F Br (R)-enantiomer! O Br F Br Br F Br Br O Br F (S)-enantiomer F O Br F O F Br
O O (R)-arvone! (S)-arvone! (S)-Limonene! (R)-Limonene!
O OMe 2 2 O O β O O
R O) R (O)O)
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O 2 OO OO 2 OO O OO 2 OO O O OO OO
O O O O O,
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2 O OOR 1 2 O OR 1 2 O O + OOR 2 OOR 3 2 O O OR 2 OR 3 + 3 2 O R 1, R 2, R 3 2 2,,, (EPA) (DA), 2 2 O O O OR 1 OR 2 OR 3 + 3 NaO 2 2 O O O + R 1 OONa R 2 OONa R 3 OONa
DA DA DA DA DA DA DALDL 20ω-6 ω-6 DA ω-3 ω-3ω-6ω-3 : Wikipedia
380770 nm
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O O O O N O N O,
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-1 1-10, 100 2000, 200-300 65% vs 95%,,
-2 190,
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S 2
3.7 3.8, 1938 180,, PET,,
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50% SBR [],,