阿摩線上測驗
2. Claisen rearrangement of allyl phenyl ether to ο-allylphenol is a sigmatropic rearrangement. This rearrangement is a [x, y] shift and proceeds under what condition.
(A)[1，3] ; thermal
(B) [1,3] ; hν
(C) [1,7] ; hν
(D) [3,3] ; thermal
(E) [3, 5] ; hν
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統計： A(2), B(4), C(2), D(5), E(0) #2055419
統計： A(2), B(4), C(2), D(5), E(0) #2055419
