No abstract

Historical Review of the Work of Gerhard Schrader SYSTEMICS SYMPOSIUM G ERTAIN DERIVATIVES OF /3-FLUOROETHYL alcohol were found by Gerhard Schrader, of Farbenfabriken Bayer, in Germany, about 1935, to have strong insecticidal action (7, 3, 8). Outstanding compounds are shown in Table I.Compounds A and B, because of their high volatility, were limited in their application as agricultural pesticides.Schrader then prepared condensation products of aldehydes with /3-fluoroethyl alcohol and its derivatives (C and D). These readily prepared acetals were distinguished by their strong contactinsecticidal effect. Surprisingly, they also showed a new

No abstract

No abstract