| 申请日期 | 2025-08-06 | 申请号 | WOUS14041455 |
| 公开（公告）号 | WO2014204684A1 | 公开（公告）日 | 2014-12-24 |
| 公开国别 | WO | 申请人省市代码 | 全国 |
| 申请人 | DOW GLOBAL TECHNOLOGIES LLC | ||
| 简介 | Provided is a method for preparing a diaryl ether compound through the dehydration of an aromatic alcohol compound in the presence of a halogenated rare earth element oxide catalyst, wherein the used dehydration catalyst may be regenerated by a halogenation step. The rare earth element oxide is an oxide of a light rare earth element, an oxide of a medium rare earth element, an oxide of a heavy rare earth element, an oxide of yttrium, or a mixtures of two or more thereof. | ||
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