반응 #63167
ord-de778bd5a94840fab6944b517c1fb071
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상세 조건
See reaction.notes.procedure_details.
후처리
- 1workup.WAITAfter 6-7 hours
실험 절차
A mixture of 150 g of dimethyl terephthalate and 7 g of triphenylphosphine oxide was gassed with phosgene as in Example 1. After 5 hours, the reaction mixture contained only 1.3% of dimethyl terephthalate and 1.3% of methyl terephthalate chloride. After 6-7 hours, the conversion was complete and terephthalic acid dichloride was obtained (>99% pure).