| 摘要 |
The method for di- (2,4,5-tricholoro-6-pentoxycarbonylphenyl) oxalate with formula 1 of 3,4,6-trichloro-2-pentoxycarbonylphenyl, consisting in that 3,4,6-trichloro-2-pentoxycarbonylphenyl with formula 2 is reacted with alkali metal or its hydride in an organic solvent, and then the salt obtained with formula 3, in which Me denotes atom of alkali metal, without isolating or after isolation is reacted with oxalyl chloride with formula 4, in an organic solvent.<IMAGE>
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