Applied Biological Chemistry

The Korean Society for Applied Biological Chemistry (한국응용생명화학회)
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Synthesis and Phytopathogenic Activities of Isopropylphenyl Derivatives

Isopropylphenyl 유도체들의 합성과 식물병원균에 대한 항균활성

  • 장도연 (순천향대학교 자연과학대학 생명공학과) ;
  • 최경길 (순천향대학교 자연과학대학 생명공학과) ;
  • 이병호 ((주)동부한농 농생명연구소) ;
  • 김태준 ((주)동부한농 농생명연구소) ;
  • 정봉진 ((주)동부한농 농생명연구소) ;
  • 최원식 (순천향대학교 자연과학대학 생명공학과)
  • Published : 2007.09.30
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Abstract

42 compounds such as ester, sulfonyl ester, phosphoyl ester and ether derivatives of 4-isopropylphenol (I) and 2-isopropylphenol (II) were synthesized. These derivatives were identified by IR, GC/MS and $^{1}H-NMR$ spectra. Their in vitro antifungal activities were tested against 10 plant pathogenic fungi. Among them, several compounds showed potent in vitro antifungal activity. The selected compounds showing potent in vitro antifungal activity were tested for their in vivo antifungal acitvities against 5 plant diseases such as rice blast, rice sheath blast, cucumber anthracnose, cucumber gray mold and tomato late blight. As a result, 2-isopropylphenyl piperonyloate (II-7a) showed a potent in vivo antifungal activity against cucumber anthracnose and tomato late blight, 4-isopropylphenyl 4-methoxybenzenesulfonate (I-6b) effectively inhibited the development of rice blast.

항균균활성이 있는 4-isopropylphenol(I)과 2-isopropylphenol (II)을 출발물질로 하여 ester, sulfonyl ester, phosphoyl ester와 ether계열 유도체 42종을 합성하였으며, 확인은 IR, $^{1}H-NMR$과 GC/MS를 이용하였다. 이들 유도체들에 대한 in vitro 항균활성 실험을 오이탄저병균(Colletotrichum orbiculare) 외 9종에 대하여 실시하였다. 그 결과, 2-isopropylphenyl piperonyloate(II-7a)가 오이탄저병균(Colletotrichum orbiculare)과 토마토잎마름병균(Phytophthora infestans)에 효과가 있었으며, 4-isopropylphenyl bromoacetate(I-3a)가 오이잿빛곰팡이병균(Botrytis cinerea), 4-isopropylphenyl-4-methoxybenzenesulfonate(I-6b)는 벼도열병균(Pycularia oryzae)에 탁월한 효과를 나타내었으며, 4-isopropylphenylbenzyl ether(I-4d)가 오이탄저병균(Colletotrichum orbiculare)에 우수한 효과를 나타내었다. In vivo 실험에서는 2-isopropylphenyl piperonyloate(II-7a)가 오이탄저병(Colletotrichum orbiculare)과 토마토잎마름병(Phytophthora infestans), 4-isopropylphenyl 4-methoxybenzenesulfonate(I-6b)가 벼도열병(Pycularia oryzae)에 매우 우수한 항균활성을 나타내었다.

Keywords

References

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