HETEROCYCLIC ETHER TYPE PHENOXY FATTY ACID DERIVATIVES AND HERBICIDAL COMPOSITION

摘要

Heterocyclic ether type phenoxy fatty acid derivatives having the general formula: wherein X represents a halogen atom; n is 0, 1 or 2; R1 represents H or a lower alkyl; and R2 represents -OH, -O-alkyl, OM, wherein M is an inorganic or organic salt moiety, or -NR3R4, wherein R3 and R4 independently represent H or lower alkyl. Also disclosed are methods of preparing the compounds, and herbidical compositions containing the compounds.