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1989 (1)
1983 (1)
1Author    B. Ert+, W. E. Ck, H. Ard T+, K. Jäkel, P. Moser, D. Sozzi+, C. VogelRequires cookie*
 Title    Quantitative Structure Activity Relationships of Fungicidally Active Triazoles: Analogs and Stereoisomers of Propiconazole and Etaconazole  
 Abstract    The preparation of the four stereoisomers of propiconazole (TILT®) is described. Their inhibi­ tion of the 14a-C-demethylation of the sterol nucleus is examined and compared with the inhibi­ tion by the four stereoisomers of etaconazole (SONAX®). The quantitative structure-activity relationships (Q SAR) of substituted l,3-dioxolane-2-yl-methyltriazoles and l,3-dioxane-2-yl-methyltriazoles on in vivo fungicidal activity are investigated. 
  Reference    Z. Naturforsch. 44c, 85 (1989); received September 8. 1988 
  Published    1989 
  Keywords    Propiconazole, Etaconazole, Triazoles, Fungicides, OSAR 
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 DEBUG INFO      
 TEI-XML for    default:Reihe_C/44/ZNC-1989-44c-0085.pdf 
 Identifier    ZNC-1989-44c-0085 
 Volume    44 
2Author    E. Dith, E. Bert, W. In, M. Olfgang, K. Uecke, R. Laus, C. Am Steiner, Hristian VogelRequires cookie*
 Title    Inhibition of Ergosterol Biosynthesis by Etaconazole in Ustilago maydis  
 Abstract    The triazole fungicide etaconazole (C G A 6 4 251) interferes with the ergosterol biosynthesis in Ustilago m aydis by inhibiting the C-14 dem ethylation o f the sterol nucleus. During the late log growth phase o f U. m aydis a novel endogenous sterol m etabolite (14x-m ethyl-ergosta-8,24(28)-dien-3/?,6a-diol) was discovered and analyzed, which accumulates under the influence o f the fungicide. The structure o f this m etabolite points to a hydroxylation-dehydration m echanism for the introduction o f the double bond at C-5 during the ergosterol biosynthesis. In troduction 
  Reference    Z. Naturforsch. 38c, 28 (1983); received July 22 1982 
  Published    1983 
  Keywords    Fungal Lipids, Ergosterol, Inhibition, Etaconazole, Fungicide 
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 DEBUG INFO      
 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0028.pdf 
 Identifier    ZNC-1983-38c-0028 
 Volume    38