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4-Isopropyl, 5-isopropyl-3-methylphenol 유도체들의 합성과 식물 병원균에 대한 항균 활성
최원식(Won-Sik Choi),장순호(Soon-Ho Jang),장도연(Do-Yeon Jang),최경길(Kyoung-Gil Choi),이병호(Byung-Ho Lee),김태준(Tae-Jun Kim),정봉진(Bong-Jin Jung) 한국농약과학회 2006 농약과학회지 Vol.10 No.4
Fifty compounds such as ester, sulfonyl ester, carbamate, ether and phosphoyl ester derivatives of 4-isopropyl-3-methylphenol(Ⅰ) and 5-isopropyl-3-methylphenol(Ⅱ) were synthesized. These derivatives were identified by IR, GC/MS and <SUP>1</SUP>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, 4-isopropyl-3-methylphenyl(2-amino-thiazole-4-yl)methoxyiminoacetate(Ⅰ-7a) showed a potent in vivo antifungal activity against rice blast. Both methyl (4-isopropyl-3-methylphenoxy)acetate(Ⅰ-4d) and methyl (5-isopropyl-3-methylphenoxy)acetate(Ⅱ-4d) effectively inhibited the development of cucumber gray mold.