Synthesis and biological evaluation of trifluoromethyl-containing auxin derivatives.

IF 1.8 4区 农林科学 Q2 ENTOMOLOGY
Mitsuaki Yamashita, Fuki Saneoka, Aozora Sano, Towa Arakawa, Akira Iida
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Abstract

This study focused on the chemical synthesis of auxin analogs, wherein a trifluoromethyl group was introduced near the carboxyl group in the side chain of natural and synthetic auxins, including IAA, NAA, IBA, 2,4-D, and 4-Cl-IAA. The effects of these synthetic compounds and natural auxins on plant growth regulation and callus growth were evaluated. In experiments with black gram, CF3-IAA and 4-Cl-CF3-IAA exhibited comparable effects to the parent compound, IAA. Meanwhile, CF3-NAA, CF3-2,4-D, CF3-IBA-1, and CF3-IBA-2 displayed effects that differed considerably from those of their respective parent auxins. In experiments with lettuce, CF3-IAA, 4-Cl-CF3-IAA, CF3-NAA, CF3-2,4-D, and CF3-IBA-1 showed effects comparable to the corresponding parent auxins. However, at low concentrations, these analogs induced hypocotyl and root elongations, a response distinct from that observed with their parent compounds. Furthermore, CF3-IBA-2 considerably promoted hypocotyl and root elongations across all concentrations relative to the control. The addition of synthetic compounds to callus cultures revealed that CF3-IAA, 4-Cl-CF3-IAA, CF3-NAA, and CF3-2,4-D promoted callus proliferation, whereas CF3-IBA-1 and CF3-IBA-2 did not enhance callus growth.

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含三氟甲基生长素衍生物的合成及生物学评价。
本研究主要研究生长素类似物的化学合成,在天然生长素和人工生长素的侧链羧基附近引入一个三氟甲基,包括IAA、NAA、IBA、2,4- d和4-Cl-IAA。评价了这些合成化合物与天然生长素对植物生长调节和愈伤组织生长的影响。在黑克的实验中,CF3-IAA和4-Cl-CF3-IAA表现出与母体化合物IAA相当的效果。同时,CF3-NAA、CF3-2、4-D、CF3-IBA-1和CF3-IBA-2表现出与其亲本生长素显著不同的作用。在生菜试验中,CF3-IAA、4-Cl-CF3-IAA、CF3-NAA、CF3-2、4-D和CF3-IBA-1表现出与相应亲本生长素相当的效果。然而,在低浓度下,这些类似物诱导下胚轴和根伸长,这与它们的母体化合物所观察到的反应不同。此外,与对照相比,CF3-IBA-2在所有浓度下都显著促进了下胚轴和根的伸长。结果表明,CF3-IAA、4-Cl-CF3-IAA、CF3-NAA和CF3-2、4-D对愈伤组织增殖有促进作用,而CF3-IBA-1和CF3-IBA-2对愈伤组织生长无促进作用。
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来源期刊
Journal of Pesticide Science
Journal of Pesticide Science 农林科学-昆虫学
CiteScore
4.30
自引率
4.20%
发文量
28
审稿时长
18-36 weeks
期刊介绍: The Journal of Pesticide Science publishes the results of original research regarding the chemistry and biochemistry of pesticides including bio-based materials. It also covers their metabolism, toxicology, environmental fate and formulation.
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