| 摘要 |
A method of producing bis(2,4,5-trichloro-6-alkoxycarbonylphenyl) oxalates with formula 1, where R stands for a simple or branched alkyl group with 3, 4 or 6 carbon atoms, from 3,4,6-trichloro-2-alkoxycarbonylphenol, characterized in that 3,4,6-trichloro-2-alkoxycarbonylphenol with formula 2, where R has the above meaning, is reacted with an alkaline metal or its hydrite, in an organic solvent, and further, the produced salt with formula 3, in which Me stands for an atom of alkaline metal, without isolation or after isolation is reacted with oxalyl chloride with formula 4, in an organic solvent.<IMAGE>
|
