| 发明名称 | Method for producing 2-chloromethylbenzaldehyde, 2-chloromethylbenzaldehyde-containing composition, and method for storing same | ||
| 摘要 | A process for obtaining an industrially useful 2-chloromethylbenzaldehyde-containing liquid composition at a high yield is provided. More specifically, a process for producing 2-chloromethylbenzaldehyde comprising step (A) of mixing 1-dichloromethyl-2-chloromethylbenzene and sulfuric acid having a concentration of 84.5% by weight or more; and step (B) of mixing a mixture obtained in step (A) and water is provided. | ||
| 申请公布号 | US9029606(B2) | 申请公布日期 | 2015.05.12 |
| 申请号 | US201214128239 | 申请日期 | 2012.06.27 |
| 申请人 | Sumitomo Chemical Company, Limited | 发明人 | Takimoto Masashi;Yamaoka Tomonori;Onogawa Yoshio |
| 分类号 | C07C45/42;C07C45/43;C07C47/55 | 主分类号 | C07C45/42 |
| 代理机构 | Sughrue Mion, PLLC | 代理人 | Sughrue Mion, PLLC |
| 主权项 | 1. A process for producing 2-chloromethylbenzaldehyde comprising: step (A) of mixing 1-dichloromethyl-2-chloromethylbenzene and sulfuric acid having a concentration of 84.5% by weight or more; and step (B) of mixing a mixture obtained in step (A) and water, and further comprising a step of mixing the resulting 2-chloromethylbenzaldehyde with at least one selected from the group consisting of a polymerization inhibitor and an antioxidant. | ||
| 地址 | Tokyo JP | ||