![蔗糖‑6‑酯的氯化](/CN/2015/8/8/images/201580042758.jpg)
基本信息:
- 专利标题: 蔗糖‑6‑酯的氯化
- 专利标题(英):Chlorination of sucrose-6-esters
- 申请号:CN201580042758.4 申请日:2015-06-16
- 公开(公告)号:CN106573949A 公开(公告)日:2017-04-19
- 发明人: 托马斯·艾勒斯 , 哈利尔·阿克塔斯
- 申请人: 塔特和莱利技术有限公司
- 申请人地址: 英国伦敦
- 专利权人: 塔特和莱利技术有限公司
- 当前专利权人: 塔特和莱利技术有限公司
- 当前专利权人地址: 英国伦敦
- 代理机构: 中科专利商标代理有限责任公司
- 代理人: 程纾孟
- 优先权: 62/035,066 20140808 US
- 国际申请: PCT/GB2015/051758 2015.06.16
- 国际公布: WO2016/020635 EN 2016.02.11
- 进入国家日期: 2017-02-08
- 主分类号: C07H5/02
- IPC分类号: C07H5/02 ; C07H13/04 ; C07H1/00
There is provided a method for the chlorination of a sucrose-6-acylate to produce a 4,1',6'-trichloro-4,1',6'-trideoxy-galactosucrose-6-acylate, wherein said method comprises the following steps (i) to (v): (i) providing a first component comprising sucrose-6-acylate; (ii) providing a second component comprising a chlorinating agent; (iii) combining said first component and said second component to afford a mixture; (iv) heating said mixture for a heating period in order to provide chlorination of sucrose-6-acylate at the 4, 1' and 6' positions thereof; (v) quenching said mixture to produce a 4,1',6'-trichloro-4,1',6'-trideoxy- galactosucrose-6-acylate; wherein at least one of said first component and said second component comprises a reaction vehicle, and said reaction vehicle comprises a tertiary amide; and wherein said mixture comprises a cosolvent during a least a portion of the heating period of step (iv), wherein said cosolvent comprises dimethylacetamide (DMAc).
公开/授权文献:
- CN106573949B 蔗糖-6-酯的氯化 公开/授权日:2019-03-15
IPC结构图谱:
C | 化学;冶金 |
--C07 | 有机化学 |
----C07H | 糖类;及其衍生物;核苷;核苷酸;核酸 |
------C07H5/00 | 含有糖化物基团的化合物,其中连在氧上的杂键被相同数目连到卤素、氮、硫、硒或碲的杂键所取代 |
--------C07H5/02 | .连卤素的 |