Hyperconjugation not steric repulsion leads to the staggered s ...
而不是老教科提到阻效应。
Hyperconjugation not steric repulsion leads to the staggered s ...
而不是老教科提到阻效应。
As steric hindrance of the aryl amine decreased and nucleophilicity increased, occurrence of the transfor-mation reaction increased and herbicidal activity of the product decreased.
芳胺空间阻越小,亲核性越强,反应越容易发生,产物除草活性越低。
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