PROCESS FOR PREPARING FURAN DERIVATIVES

摘要

1. An isoxazoline of the formula II see diagramm : EP0187345,P6,F1 in which R**1, R**2, R**3 and R**4 are each unsubstituted or halogen-, haloalkyl-, alkoxy-, haloalkoxy-, nitro-, cyano-, dialkylphosphonyl- or alkoxycarbonyl-substituted alkyl, aryl, aralkyl, alkoxycarbonyl or dialkoxyphosphonyl, R**2 and R**4 are each also hydrogen and R**3 is also hydroxyalkyl which is unblocked or blocked by a detachable protective group, X is hydroxyl, halogen or hydroxyl blocked by a detachable protective group.