2010_09_03_lecture_Ch16

2010_09_03_lecture_Ch16 - Acetone ~O +~ @ tv o o CD OJ o ~...

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L ~ ~ _9 o ~ ~ - , \-
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- 0-_ ~1 1J-- ---r / \ "",\ \0~~ci \0' "" - ~1 ~) cL ---- ~ o~,,~ -------'~-~~ o x . /' ~ ~~ ~ \
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2 d 2- - (j)
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-- .j) <V / -' L,. --f- 2 J 1) U J L 2- ~ @d 2 -+ 2 II \ U (!) J)2
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c N a -:::r (]>u ) ) ) o @Cb ..-C () f-- ~ Q::::. >--. (. v .J Ob
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r 1
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Ph r + Ph 3 P ------> Ph~ + Ph~ + PhsP=O H Phenylacetaldehyde (Z)-l-Phenyl- (E)-l-Phenyl- 2-butene 2-butene (87%) (13%) H 0 ' 0 Ph l + Ph,)P - "O.E ~ Ph '" II _ +.Ph,{P=O ~O .')~ t ~OEt' Phenylacetaldehyde Ethyl (E)-4-phenyl-2-butenoate (only the Eisolner is fornled) ~ ·>=O+Ph3P~
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Unformatted text preview: Acetone ~O +~ @ tv o o CD OJ o ~ + Ph 3 P=O o o o _CD () co :J CD III co 2-Methyl-2-heptene CD l; III :; 3 CD I ~ en ~ Examples of Wittig reaction co I --------\ U-=--.U -~ u l...-&gt; o 3 -J) .-=6 6 3 I -J) ~ o ~ ~-ill I L &lt;J C ) .::r ~ o ~ I ~ ~ a ~ Q.-.- -'2&gt; c+ r) ::::r -I-1}) o } 0-:::::-0 \ ~-:::::c ~ ( ~~~ 1-it o \ O-=::'--! \ ::::t-~ o \ O-=-~ ...J /-;) ~ o-&lt;:J + W o o ::::: .J U \ c.J-. .:r 8 } C) --::= C1:? --:---.l v..J ---:.&gt;, ~ &lt;:; ~ .' ~...
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2010_09_03_lecture_Ch16 - Acetone ~O +~ @ tv o o CD OJ o ~...

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