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1983 (1)
1982 (2)
1Author    Wolfgang Welter, Thomas Hüttelmaier, Karl Matterstock, Hilmar MildenbergerRequires cookie*
 Title    New Benzylic Esters of Cyclopropanecarboxylic and Phenylacetic Acids as Potential Insecticides  
 Abstract    Pyrethroids are known insecticides with a great potency to a wide range of insect species. Derivatizations at the benzylic position and at the second aromatic ring system of these pyrethroids yielded new benzylic esters with insecticidal activity. Methods for the synthesis of these compounds are reviewed. 
  Reference    Z. Naturforsch. 37b, 923—929 (1982); eingegangen am 29. Dezember 1981 
  Published    1982 
  Keywords    Benzylic Esters, Pyrethroids, Insecticides 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0923.pdf 
 Identifier    ZNB-1982-37b-0923 
 Volume    37 
2Author    YousrY M Mostafa, Adam, S.M A D ZayedRequires cookie*
 Abstract    Male mice were i.p. injected with two doses (5& 15 m g/kg body weight) o f [l-14C]ethyl-labelled chlorpyrifos. The radioactivity in liver, fat, kidney and urine was measured 6, 24, 48, and 192 h after treatment. Liver R N A and D N A were isolated and hydrolyzed and the bases separated by ion-exchange chromatography. R adioactivity resulting from incorporation and alkylation o f RNA and D N A was measured. Labelled 7-ethylguanine was found in R N A hydrolysate which am ounted 5.5 x 10-3 calculated as fraction o f the applied dose. In D N A hydrolysate [14C]7-ethylguanine was m issing and the major radioactivity was found in two unknown peaks, one o f which corresponds to 3 x 10-2 o f the applied dose. The results indicate that the extent o f alkylation obtained with clorpyrifos is high as com pared with other organophos-phates with methyl esters. 
  Reference    Z. Naturforsch. 38c, 461—464 (1983); received Septem ber 22 1982 
  Published    1983 
  Keywords    DN A, RNA, Alkylation, Insecticides, Chlorpyrifos 
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 TEI-XML for    default:Reihe_C/38/ZNC-1983-38c-0461.pdf 
 Identifier    ZNC-1983-38c-0461 
 Volume    38 
3Author    Börries Kübel, Werner Knauf, Anna WaltersdorferRequires cookie*
 Title    Synthese von 1.2.4-Oxadiazolyl-und 1.2.4-Thiadiazolylvinylphosphaten und deren biologische Wirkung Synthesis of 1,2,4-Oxadiazolyl-and 1,2,4-Thiadiazolyl vinylphosphates and their Biological Activity  
  Reference    Z. Naturforsch. 37b, 896—901 (1982); eingegangen am 21. Dezember 1981/29. Januar 1982 
  Published    1982 
  Keywords    1, 2, 4-Oxadiazole, 1, 2, 4-Tliiadiazole, Vinylphosphates, Insecticide, Acaricide 
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 TEI-XML for    default:Reihe_B/37/ZNB-1982-37b-0896.pdf 
 Identifier    ZNB-1982-37b-0896 
 Volume    37