单取代苯乙酸生长素活性中的构效关系。
Structure-activity relationship in the auxin activity of mono-substituted phenylacetic acids.
作者信息
Muir R M, Fujita T, Hansch C
出版信息
Plant Physiol. 1967 Nov;42(11):1519-26. doi: 10.1104/pp.42.11.1519.
Abstract
The analysis of substituent constants for the lipophilic and electronic factors in the auxin activity of substituted phenylacetic acids in elongation of coleoptile segments shows that these factors parallel those for the phenoxyacetic acids but assign reactivity in growth promotion to the meta position of phenylacetic acid. The inhibitory effects with supra-optimal concentrations are highly dependent on the lipophilic character of the molecules.
摘要
对取代苯乙酸在胚芽鞘切段伸长中生长素活性的亲脂性和电子因素取代基常数的分析表明，这些因素与苯氧乙酸的因素相似，但将促进生长的反应性归因于苯乙酸的间位。超最佳浓度的抑制作用高度依赖于分子的亲脂性特征。
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