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Topic: Organic Chemistry Grignard Reaction using phynylmagnesium bromide as reagant.  (Read 2143 times)

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Offline Braden126

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Organic Chemistry Grignard Reaction using phynylmagnesium bromide as reagant.
« on: September 23, 2015, 08:16:49 PM »
I am having trouble finding the starting material for these reactions. I think the first one is an OH bonded to an ethyl group, but I might be wrong. Thanks for any *delete me*
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Offline Babcock_Hall

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Re: Organic Chemistry Grignard Reaction using phynylmagnesium bromide as reagant.
« Reply #1 on: September 23, 2015, 08:21:15 PM »
In problem (a) the product has one more carbon atom than the starting material, but ethyl groups have two carbons.  Two, what functional group do you think that the carbon should have in order to react with a Grignard reagent.
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Offline Braden126

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Re: Organic Chemistry Grignard Reaction using phynylmagnesium bromide as reagant.
« Reply #2 on: September 23, 2015, 08:27:41 PM »
So would it be this then? Sorry if i misunderstood, i'm still learning all of this.  ???
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Offline Dan

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Re: Organic Chemistry Grignard Reaction using phynylmagnesium bromide as reagant.
« Reply #3 on: September 24, 2015, 02:19:35 AM »
Quote from: Braden126 on September 23, 2015, 08:27:41 PM
So would it be this then? Sorry if i misunderstood, i'm still learning all of this.  ???

Can you draw a mechanism for that reaction?
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