| 发明名称 |
Method for the preparation of unsaturated ketones |
| 摘要 |
PCT No. PCT/JP90/01489 Sec. 371 Date Jul. 15, 1991 Sec. 102(e) Date Jul. 15, 1991 PCT Filed Nov. 15, 1990 PCT Pub. No. WO91/07368 PCT Pub. Date May 30, 1991.(beta)-hydroxyketones are prepared by reacting an aldehyde with acetone in the presence of perhydroisoindole or pyrrolidine and water. The resulting (beta)-hydroxyketone is further reacted in the presence of a solvent mixture to produce (alpha)-(beta)-unsaturated ketones.
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| 申请公布号 |
US5300654(A) |
申请公布日期 |
1994.04.05 |
| 申请号 |
US19910730844 |
申请日期 |
1991.07.15 |
| 申请人 |
NIPPON SODA CO., LTD. |
发明人 |
NAKAJIMA, MASASHI;KYOTANI, TADASHI;SAWAKI, MIKIO |
| 分类号 |
B01J27/02;B01J27/06;B01J31/02;C07B61/00;C07C45/66;C07C45/72;C07C45/74;C07C49/17;C07C49/172;C07C49/173;C07C49/203;C07C49/21;C07C49/217;C07C49/235;C07C49/24;C07C205/45;C07C319/20;C07C323/22;C07D307/12;C07D309/06;C07D335/02;(IPC1-7):C07C45/64 |
主分类号 |
B01J27/02 |
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