| 摘要 |
A process for the production of 2,3-dihydro-2,2-dimethyl-7-benzofuranyl chloroformate which comprises treating 2,3-dihydro-2,2-dimethyl-7-benzofuranol and phosgene in a water immiscible organic medium with aqueous base and removing aqueous phase from the organic phase during the process.
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