Synthesis and Biological Activities of 4-Chloroindole-3-acetic Acid and Its Esters

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概要

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• 4-Chloroindole-3-acetic acid (4-Cl-IAA) and its esters were synthesized from 2-chloro-6-nitrotoluene as the starting material. The biological activities of 4-Cl-IAA and its esters were determined by four bioassays. Except for the tert-butyl ester, 4-Cl-IAA and its esters had stronger elongation activity toward Avena coleoptiles than had indole-3-acetic acid. The biological activities of the methyl, ethyl and allyl esters were as strong as the activity of the free acid. All the esters, except for the tert-butyl, inhibited Chinese cabbage hypocotyl growth more than the free acid did, and all the esters induced severe swelling and formation of numerous lateral roots in black gram seedlings even at a low concentration. Furthermore, adventitious root formation was strongly promoted in Serissa japonica cuttings by all the esters. The root formation-promoting activities of the ethyl and allyl esters were about three times the value for indole-3-butyric acid which is used to promote and accelerate root formation in plant cuttings.

• 社団法人日本農芸化学会の論文
• 2000-04-23

著者

• Katayama Masato

  Laboratory Of Bioorganic Chemistry Department Of Chemistry National Industrial Research Institute Of

関連論文

• Synthesis and Biological Activities of 4-Chloroindole-3-acetic Acid and Its Esters
• Synthesis and Biological Activities of Substituted 4,4,4-Trifluoro-3-(indole-3-)butyric Acids, Novel Fluorinated Plant Growth Regulators

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