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Topic: electrophiile reactivity in the presence of NaBH4  (Read 3177 times)

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Offline IoanaD

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electrophiile reactivity in the presence of NaBH4
« on: October 25, 2009, 12:33:10 AM »
If i was to rank the following from the most to the least reactive in the presence of NaBH4 i would say that the aldehyde > ketone> ester . I'm not sure what to make out of the diketone...where would it fit in?

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Offline movies

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Re: electrophiile reactivity in the presence of NaBH4
« Reply #1 on: October 26, 2009, 04:38:56 PM »
Think about your reason for ranking the other three as you did.  What is the deciding factor?  Now think about the diketone – how does a withdrawing group adjacent to the reactive center fit into your reasoning?
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Offline jinclean

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Re: electrophiile reactivity in the presence of NaBH4
« Reply #2 on: October 27, 2009, 06:27:35 AM »
Firstly i think the  diliketone is more active than the ketone,but the aldehide is also the most active group in it.The ester group can't react with the NaBH4
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