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We already know that cyclopentadiene is a good diene because of its inherent s-cis conformation. … In general, Diels-Alder reactions proceed fastest with electron-donating groups on the diene (eg. alkyl groups) and electron-withdrawing groups on the dienophile. Why does anthracene undergo Diels-Alder reaction? Anthracene undergoes a Diels-Alder reaction with maleicRead More →

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Among PAHs, phenanthrene and anthracene are isomers consisting of three benzene rings. … Compared with anthracene, K region may be an important electronic structure of phenanthrene for activation of CAR. Why is the phenanthrene 9 10 more reactive? The 1,2 bonds in both naphthalene and antracene are in fact shorterRead More →