| 发明名称 |
Process for the preparation of (2,2)-paracyclophane and derivatives thereof. |
| 摘要 |
<p>A process for the preparation of (2,2)-paracyclophane or derivatives thereof by Hofmann elimination of p.-methylbenzyltrimethylammonium hydroxide or derivatives thereof, in an aqueous solution of an alkali metal hydroxide, wherein said elimination is carried out in the presence of a ketone of formula:
CH3 - CO - CH2 - R (I)
wherein R is hydrogen, a halogen or an alkyl-carboxylic group. </p> |
| 申请公布号 |
EP0226225(A2) |
申请公布日期 |
1987.06.24 |
| 申请号 |
EP19860117793 |
申请日期 |
1986.12.19 |
| 申请人 |
MONTEDISON S.P.A. |
发明人 |
UNGARELLI, RAFFAELE;BERETTA, MAURIZIO AUGUSTO;MALACRIDA, ALLESSANDRO;SOGLI, LORIS |
| 分类号 |
B01J31/00;B01J31/02;C07B61/00;C07C1/00;C07C1/32;C07C13/70;C07C17/00;C07C17/26;C07C17/263;C07C25/18;C07C67/00;(IPC1-7):C07C13/70 |
主分类号 |
B01J31/00 |
| 代理机构 |
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| 主权项 |
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| 地址 |
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