I have been researching for ages what the difference between heat and light induced diels alder reactions is, but couldnt find an answer. Thanks so much for explaining
Indeed there is. For the 4 + 2 cycloaddition under photochemical conditions we must have a suprafacial / antarafacial transition state. If the dienophile which is trans is the reactant that is antarafacial then the product will end up being cis as shown in the video. Hope this helps!
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I have been researching for ages what the difference between heat and light induced diels alder reactions is, but couldnt find an answer. Thanks so much for explaining
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What about a reaction with 2 dienes
hi! in the last slide, why is there a chance for the product to be cis in photochemical rxns? im sorry i didnt quite catch the principle :(
Indeed there is. For the 4 + 2 cycloaddition under photochemical conditions we must have a suprafacial / antarafacial transition state. If the dienophile which is trans is the reactant that is antarafacial then the product will end up being cis as shown in the video. Hope this helps!