发明申请
US20210114960A1 PROCESSES FOR PREPARING A 2-(1,2,2-TRIMETHYL-3-CYCLOPENTENYL)-2-OXOETHYL CARBOXYLATE COMPOUND AND HYDROXYMETHYL 1,2,2-TRIMETHYL-3-CYCLOPENTENYL KETONE, AND A HALOMETHYL (1,2,2-TRIMETHYL-3-CYCLOPENTENYL) KETONE COMPOUND
有权
基本信息:
- 专利标题： PROCESSES FOR PREPARING A 2-(1,2,2-TRIMETHYL-3-CYCLOPENTENYL)-2-OXOETHYL CARBOXYLATE COMPOUND AND HYDROXYMETHYL 1,2,2-TRIMETHYL-3-CYCLOPENTENYL KETONE, AND A HALOMETHYL (1,2,2-TRIMETHYL-3-CYCLOPENTENYL) KETONE COMPOUND
- 申请号：US17071013 申请日：2020-10-15
- 公开(公告)号：US20210114960A1 公开(公告)日：2021-04-22
- 发明人： Takeshi Kinsho , Tomohiro Watanabe
- 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
- 优先权： JP2019-189784 20191016
- 主分类号： C07C45/41
- IPC分类号： C07C45/41 ; C07F7/18 ; C07C67/10 ; C07C49/23 ; C07C45/51
摘要：
A process for preparing a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound of the following general formula (6), wherein R represents a monovalent hydrocarbon group having 1 to 9 carbon atoms, the process comprising esterifying a 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl compound of the following general formula (5), wherein X represents a hydroxyl group or a halogen atom, to form the 2-(1,2,2-trimethyl-3-cyclopentenyl)-2-oxoethyl carboxylate compound (6).
公开/授权文献:
IPC结构图谱:
| C | 化学；冶金 |
| --C07 | 有机化学 |
| ----C07C | 无环或碳环化合物 |
| ------C07C45/00 | 含有CO基，只连接碳或氢原子的化合物的制备；此类化合物的螯合物的制备 |
| --------C07C45/41 | .用羧基或其衍生物的氢解或还原 |