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Topic: reaction of excess benzene, propene, and HF  (Read 16931 times)

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Offline rleung

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reaction of excess benzene, propene, and HF
« on: January 22, 2006, 02:02:26 PM »
Hi,

I am unsure of how the reaction of excess benzene, propene, and HF will lead to 2-phenylpropane.  It seems like it is going through some sort of Friedel-Crafts alkylation, but I do not see how.  

Ryan
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Offline Yggdrasil

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Re:reaction of excess benzene, propene, and HF
« Reply #1 on: January 22, 2006, 02:40:32 PM »
The HF will protonate the propene to form a secondary carbocation, which is an electrophile capable of reacting with benzene to form 2-phenylpropane.
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Offline rleung

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Re:reaction of excess benzene, propene, and HF
« Reply #2 on: January 29, 2006, 08:51:33 PM »
Thanks so much.  I appreciate it.
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forislam20

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Re:reaction of excess benzene, propene, and HF
« Reply #3 on: January 30, 2006, 02:37:47 AM »
there is a point here u must be aware of
why is the adddition reaction to propene doesn't occur?
i found two reasons can u? :D!!!!!!!!!!!!!!
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