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How to compare the activity of dienophile and dienophile

2020-07-28 23:51:22
second

In the diene synthesis reaction bai, that is, the D-A reaction,


Conjugated diene du, called zhi diene


Monoolefins, called dienophiles


Since the dao mechanism of this reaction is the flow of electrons from the dienophile to the dienophile,


Therefore, the electron-donating group is connected to the diene body, such as alkyl groups such as CH3-,


Electron withdrawing groups are attached to the dienophile, such as NO2- etc.


The reaction is easier to proceed.


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