농약과학회지 (The Korean Journal of Pesticide Science)

  • 제9권3호
  • /
  • Pages.199-204
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  • 2005
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  • 1226-6183(pISSN)
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  • 2287-2051(eISSN)
한국농약과학회 (The Korean Society of Pesticide Science)
권호 표지

새로운 2-(4-chloro-5-(2-chloroallyloxy)-2-fluorophenyl)-3-thioalkoxy-2,3,4,5,6,7-hexahydroisoindol-1-one 유도체들의 제초활성에 관한 분자 홀로그램(H) QSAR

Holographic Quantitative Structure-Activity Relationship (HQSAR) Analyses for the Herbicidal Activities of New Novel 2-(4-chloro-5-(2-chloroallyloxy)-2-fluorophenyl)-3-thioalkoxy-2,3,4,5,6,7-hexahydroisoindol-1-one Derivatives

  • 성낙도 (충남대학교 농업생명과학대학 응용생물화학부) ;
  • 송종환 (한국화학연구원 세포화학연구팀) ;
  • 강은규 (충남대학교 농업생명과학대학 응용생물화학부) ;
  • 정훈성 (충남대학교 농업생명과학대학 응용생물화학부)
  • Sung, Nack-Do (Division of Applied Biologies and Chemistry, College of Agriculture and Life Science, Chungnam National University) ;
  • Song, Jong-Hwan (Cytosine Laboratory, Korea Research Institute of Chemical Technology) ;
  • Kang, Eun-Kyu (Division of Applied Biologies and Chemistry, College of Agriculture and Life Science, Chungnam National University) ;
  • Jung, Hoon-Sung (Division of Applied Biologies and Chemistry, College of Agriculture and Life Science, Chungnam National University)
  • 발행 : 2005.09.30
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초록

일련의 새로운 2-(4-chloro-5-(2-chloroallyloxy)-2-fluorophenyl)-3-thioalkoxy-2,3,4,5,6,7-hexahydroisoindol-1-one 유도체들의 hexahydroisoindol-1-one 고리상 C3 원자에 결합된 R-치환기 변화에 따른 논피(Echinochloa crus-galli)에 대한 제초 활성과의 관계를 분자 홀로그램(H) QSAR 방법으로 연구하였다. 제초활성에 관한 HQSAR 모델(I-2)은 양호한 예측성($r^2_{cv.}$ 또는 $q^2=0.714$)과 상관성($r^2_{ncv.}=0.922$)을 나타내었다. 모델(I-2)의 기여도로부터 논피에 대한 기질 분자의 제초활성은 hexahyoisoindol-1-one 고리의 C4-C6 위치와 3-tolylthio group의 ortho-위치 탄소원자 및 meta-methyl group이 활성에 기여하였다.

The herbicidal activities against barnyardgrass (Echinochloa crus-galli) by R-groups on the hexahydroisoindol-1-one ring of new 2-(4-chloro-5-(2-chloroallyloxy)-2-fluorophenyl) -3-thioalkoxy-2,3,4,5,6,7-hexahydroisoindol-1-one derivatives were studied using molecular holographic quantitative structure-activity relationships (HQSAR) methodology. Based on the results, the statistical results of the optimised HQSAR model (I-2) exhibited the best predictability and fitness for the herbicidal activities based on the cross-validated value ($r^2_{cv.}$ or $q^2=0.714$) and non-cross-validated value ($r^2_{ncv.}=0.922$), respectively. From the based graphical analyses of atomic contribution maps, herbicidal activities against barnyardgrass were confirmed depends upon the C4-C6 atoms of hexahydroisoindoline-l-one ring, carbon atom of ortho-position and meta-methyl group of 3-tolylthio substituent (8).

키워드

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