- 专利标题： Dimethylcyclobutanone compounds, dimethylcyclobutane compounds, and processes for preparing the same
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申请号： US16930570申请日： 2020-07-16
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公开(公告)号： US11384043B2公开(公告)日： 2022-07-12
- 发明人: Naoki Ishibashi , Yusuke Nagae , Takeshi Kinsho
- 申请人： Shin-Etsu Chemical Co., Ltd.
- 申请人地址： JP Tokyo
- 专利权人： Shin-Etsu Chemical Co., Ltd.
- 当前专利权人： Shin-Etsu Chemical Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Myers Bigel, P.A.
- 优先权： JPJP2019-132136 20190717,JPJP2020-067074 20200402
- 主分类号： C07C45/62
- IPC分类号： C07C45/62 ; C07C49/35
摘要：
The present invention provides a process for preparing a dimethylcyclobutane compound of the following general formula (1A), the process comprising reacting a dimethylcyclobutanone compound of the following general formula (2) with a phosphonic ester compound of the following general formula (3) to produce an unsaturated ester compound of the following general formula (4), having a dimethylcyclobutane ring, and subjecting the unsaturated ester compound (4), having a dimethylcyclobutane ring, to a reduction reaction to produce the dimethylcyclobutane compound (1A).
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