| 发明名称 |
Intramolecular cyclization in a fatty acid ester solvent |
| 摘要 |
A process for preparing substituted dibenzofuran or fluorenone-9 by the intramolecular cyclization of substituted diphenyl ether or benzophenone in the presence of a carboxylic acid salt of palladium and/or palladium organic complex.
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| 申请公布号 |
US4042603(A) |
申请公布日期 |
1977.08.16 |
| 申请号 |
US19750559065 |
申请日期 |
1975.03.17 |
| 申请人 |
UBE INDUSTRIES, LTD. |
发明人 |
ITATANI, HIROSHI;KASHIMA, MIKITO;SHIOTANI, AKINORI;YOSHIMOTO, HATAAKI;KATO, TETUO |
| 分类号 |
C07C69/017;C07C45/00;C07C49/587;C07C49/675;C07C49/697;C07C67/00;C07C69/92;C07C201/00;C07C205/45;C07C253/00;C07C255/56;C07D307/91;(IPC1-7):C07D307/91 |
主分类号 |
C07C69/017 |
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