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Topic: bicyclo[2.2.2]octa-2,5-diene photoisomerization  (Read 2534 times)

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Offline Grundalizer

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bicyclo[2.2.2]octa-2,5-diene photoisomerization
« on: December 12, 2010, 06:24:58 PM »
The question is whether product is endo or exo, are both bridges on the same side, "both up", or are they on opposite sides, one "up" and one "down".  Also--the hydrogens are trans correct?  NOT Cis..I couldn't draw the dashed lines in paint, so they are pointing in opposite directions which I hope is visible.  We think the endo product is correct.



« Last Edit: December 12, 2010, 06:44:40 PM by Grundalizer »
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Offline MissPhosgene

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Re: bicyclo[2.2.2]octa-2,5-diene photoisomerization
« Reply #1 on: December 14, 2010, 02:49:22 AM »
OK, why do you think the endo product is correct? What are the MOs, what kind of symmetry at the TS, etc.
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Stereograms of the 32 crystallographic point groups: little bike wheels of cold, hard, pure rationality.
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