| abstract |
A compound of Formula (1):n n wherein: n R is -H or alkyl; nR¹, R² and R³ each independently is -H or alkyl; n X is halogen, -SO₂alkyl, -CN, -CO₂alkyl, -CO₂alkylaryl, -CO₂aryl, -CO₂H or aryl; and n Y is H, alkyl, alkoxy, aryl or halogen, and a process for their preparation are disclosed. n The compounds of Formula (1) are useful as intermediates in the preparation of dyestuffs, pharmaceuticals and agrochemicals. |