| 摘要 |
<p>Diphenyl ethers of the formula <CHEM> wherein m is an integer of 1 to 3, n is 1 or 2, R is hydrogen, carboxy, carboxylate salt or ester, formyl oxime, cyano, alkyl, alkoxy, chloro, bromo, or N, N-dialkyl amino, are prepared by reacting a chloro-fluorobenzotrifluoride of the formula <CHEM> wherein m and n are as defined above with a nitro-phenoxide of the formula <CHEM> where R is defined above, and M is a cation of an alkali metal or an alkaline earth metal.</p> |
