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Chemistry Forums for Students => Organic Chemistry Forum => Topic started by: rani0083 on December 14, 2020, 08:05:40 AM

Title: Michael-addition
Post by: rani0083 on December 14, 2020, 08:05:40 AM

Hi Guys
I need help.
How to draw/write the mechanisme for Michael-addition between 1,5-Diphenyl-1,4-pentadien-2-one and dimethylmalonat?
I have tried, but dont really know how 😭😔

Title: Re: Michael-addition
Post by: AWK on December 14, 2020, 08:43:49 AM

1,5-Diphenyl-1,4-pentadien-2-one ???

https://www.organic-chemistry.org/namedreactions/michael-addition.shtm

Title: Re: Michael-addition
Post by: rani0083 on December 15, 2020, 02:39:29 AM

so it's Dibenzylideneacetone

Title: Michael-addition p.2
Post by: rani0083 on December 15, 2020, 02:41:07 AM

Hi Guys
I made a mistake in the first one.
I need help.
How to draw/write the mechanisme for Michael-addition between Dibenzylideneacetone and dimethylmalonat?
I have tried, but dont really know how T_T

Title: Re: Michael-addition p.2
Post by: AWK on December 15, 2020, 02:48:06 AM

The reaction mechanism can be found in the previously attached link. The reaction can be expected to occur twice (i.e. on both sides of the carbonyl group).

Title: Re: Michael-addition
Post by: billnotgatez on December 15, 2020, 04:51:49 AM

We only have one thread for a given question on the forum.
I have merged your posts
You have to show your attempts or thoughts at solving the question to receive help.
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