发明授权
- 专利标题： Disubstituted cyclopropenones and method of production
- 专利标题（中）： 分离的环丙烷和生产方法
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申请号： US3787500D申请日： 1972-01-20
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公开(公告)号： US3787500A公开(公告)日： 1974-01-22
- 发明人: TOBEY S
- 申请人： DOW CHEMICAL CO
- 专利权人： Dow Chemical Co
- 当前专利权人： Dow Chemical Co
- 优先权： US21958472 1972-01-20; US72654968 1968-05-03
- 主分类号： C07C45/43
- IPC分类号： C07C45/43 ; C07C49/693 ; C07C49/697 ; C07C49/44
摘要：
NEW DISUBSTITUTED CYCLOPROPENONES AND A NEW METHOD OF PREPARING SAID CYCLOPROPENONES COMPRISING REACTING A HALOCYCLOPROPENIUM LEWIS ACID SALT WITH A SUBSTITUTED OLEFIN CONTAINING A CARBON TO CARBON DOUBLE BOND WHEREIN ONE TERMINAL CARBON ATOMS OF THE DOUBLE BOND IS STERICALLY ACCESSIBLE TO ATTACK BY THE CYCLOPROPENIUM ION, AND THE OTHER TERMINAL CARBON ATOMS OF THE DOUBLE BOND BEARS SUBSTITUENTS CONTRIBUTING TO THE FORMATION OF A STABLE CARBONIUM ION.
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