| 发明名称 | 1,3-diiodohydantoin compound and production method thereof | ||
| 摘要 | The present invention provides a means which can inhibit release of I2 in production or storage of 1,3-diiodohydantoin compound, and thereby solve decrease in purity of the compound and various problems caused by I2. The present invention provides a production method for 1,3-diiodohydantoin compound comprising a step to prepare a wet body containing a 1,3-diiodohydantoin compound, and (1) a step to dry the wet body by contacting the wet body with heated gas or (2) a step to lyophilize the wet body, a storage method for 1,3-diiodohydantoin compound comprising a step to store a 1,3-diiodohydantoin compound under a temperature condition of 15° C. or lower, and a 1,3-diiodohydantoin compound wherein content of released I2 is 1% by mass or less. | ||
| 申请公布号 | US8772506(B2) | 申请公布日期 | 2014.07.08 |
| 申请号 | US201012926900 | 申请日期 | 2010.12.16 |
| 申请人 | Nippoh Chemicals Co., Ltd. | 发明人 | Inoue Kazuhisa;Hanamura Yukihiko;Miyazawa Takaaki |
| 分类号 | C07D233/82 | 主分类号 | C07D233/82 |
| 代理机构 | Buchanan Ingersoll & Rooney P.C. | 代理人 | Buchanan Ingersoll & Rooney P.C. |
| 主权项 | 1. A production method for 1,3-diiodohydantoin compound, comprising: a step to prepare a composition comprising a 1,3-diiodohydantoin compound, and a step to dry the composition by contacting the composition with a heated gas to inhibit release of I2 from the 1,3-diiodohydantoin compound so that a content of released I2 of the 1,3-diiodohydantoin compound is 1% by mass or less and a content of water of the 1,3-diiodohydantoin compound is 6% by mass or less, wherein the composition is contacted by flowing with the heated gas, and wherein a flow rate of the heated gas in contact with the composition is 0.1 to 10.0 m/sec. | ||
| 地址 | Tokyo JP | ||