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Topic: weinreb amide ketone preparation??  (Read 3248 times)

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Offline shrikantvarma

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weinreb amide ketone preparation??
« on: January 05, 2011, 11:20:19 AM »
what is the ideal condition while preparation of ketone by using weinreb amide??
my meaning is addition of weinreb amide to grignard is more favourable or addition of
grignard to weinreb amide??
which way will give ketone ??
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Offline MissPhosgene

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Re: weinreb amide ketone preparation??
« Reply #1 on: January 05, 2011, 09:57:21 PM »
Add the grignard to the amide.

do you know why that is better than adding the amide to a solution of grignard reagent?
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Offline AC Prabakar

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Re: weinreb amide ketone preparation??
« Reply #2 on: January 07, 2011, 03:47:34 AM »
Probably to avoid over addition product.
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