| abstract |
NEW MATERIAL:The compound of formula I (R 1 is H, halogen, alkyl, alkoxy, phenoxy, cyano, phenyl, etc.; R 2 is H, halogen, alkyl, alkoxy or alkoxycarbonyl; R 3 is H, halogen, alkoxy, alkyl, phenyl, alkoxycarbonyl, alkenyloxy, etc.). n EXAMPLE: 4-Chloro-6-ethoxy-2-(3-iodopropargyloxy)pyrimidine. n USE: An agricultural and horticultural fungicide. n PREPARATION: The compound of formula I can be produced by dissolving 3-iodopropargyl alcohol in a solvent, converting to an alcoholate with an alkali metal or alkaline-earth metal, adding a compound of formula II (R 4 is alkyl, benzyl or substituted benzyl) and reacting at a temperature between -20°C and the boiling point of the solvent, preferably between 10°C and 40°C. n COPYRIGHT: (C)1992,JPO&Japio |