Synthesis of Spin-labelling Auxins and Their Bioactivity

Chinese Journal of Applied Chemistry ›› 1997, Vol. 0 ›› Issue (4): 63-65.

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Synthesis of Spin-labelling Auxins and Their Bioactivity

Si Zongxing, Du Xiaohua, Li Jingsong, Wang Xueming

Department of Applied Chemistry, China Agricultural University, Beijing 100094

Received:1996-09-09 Revised:1997-04-08 Published:1997-08-10 Online:1997-08-10

Abstract

Abstract: Three spin-labelling auxins have been synthesized by reaction of 4-oxo-2,2,6,6-tetramethylpiperidine-1-oxyl(TMPO) with p-chlorophenoxyacetic acid, 1-naphthylacetic acid and 2,4-dichlorophenoxyacetic acid respectively. The structures of the labelling auxins were confirmed by IR, ESR/MS measurements and elemental analysis. The preliminary bioassays of the compounds indicated that they retain the original plant regulating property.

Key words: auxin, spin-labelling, synthesis, bioactivity

Si Zongxing, Du Xiaohua, Li Jingsong, Wang Xueming . Synthesis of Spin-labelling Auxins and Their Bioactivity[J]. Chinese Journal of Applied Chemistry, 1997, 0(4): 63-65.

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Synthesis of Spin-labelling Auxins and Their Bioactivity

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