Practice Problem: Grignard Reactions
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- čas přidán 1. 05. 2016
- Grignards are all over the place! Better make sure we can draw the correct products of Grignard reactions. Try these for practice.
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For finished the reaction you must after put aqueous acidic solution and produce alcohols
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Thanks sir for letting us go through these.
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Grignard reactions? More like "Great demonstrations!" Thanks again so much Professor Dave.
Hi Dave!! Do you have
a video where Ketone is obtained when a nitrile is treated with a Grignard reagent?
Could the Keton in the last example react with the Alkoxide-ion in an Aldol-reaction ? Or is Grignard just a lot faster ?
oh i see what you're saying, yeah i think that grignards are just way more reactive than alkoxides, if there were no grignard reagents in solution after the first addition you'd eventually get aldol products but grignards are there so we get the alcohol.
Hi professor, I'm confused on where did the H attached to the Oxygen comes from
good question! the oxyanion will protonate during aqueous acidic workup, so it just comes from solution. sometimes we don't even write this just to save time but that's what's happening.
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