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Topic: Cycloadditions mechanism convention?  (Read 1407 times)

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Offline Rutherford

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Cycloadditions mechanism convention?
« on: May 03, 2015, 03:52:58 PM »
Is it a convention to draw the dienophile attacking from underneath the diene or is it equally correct the write the attack from top?
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Offline hairygorillaz

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Re: Cycloadditions mechanism convention?
« Reply #1 on: May 03, 2015, 09:44:54 PM »
In the absence of a chiral moiety, my guess would be 50/50. So I think either way should be okay.
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Offline orgopete

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Re: Cycloadditions mechanism convention?
« Reply #2 on: May 04, 2015, 05:53:14 PM »
Are you trying to show an endo preference including an acyclic equivalent? 
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