
基本信息:
- 专利标题: SYNTHESIS OF DIAMIDO GELLANTS BY USING AMINO ACID N-CARBOXYANHYDRIDES
- 专利标题(中):合成氨基甘氨酸氨基转移酶
- 申请号:EP13724207.9 申请日:2013-05-13
- 公开(公告)号:EP2855423A1 公开(公告)日:2015-04-08
- 发明人: BINDI, Martin , HERMANN, Roland , KNAUP, Günter
- 申请人: Evonik Industries AG
- 申请人地址: Rellinghauser Strasse 1-11 45128 Essen DE
- 专利权人: Evonik Industries AG
- 当前专利权人: Evonik Industries AG
- 当前专利权人地址: Rellinghauser Strasse 1-11 45128 Essen DE
- 优先权: US201261654747P 20120601
- 国际公布: WO2013178451 20131205
- 主分类号: C07C231/02
- IPC分类号: C07C231/02 ; C07D263/44 ; C11D3/32 ; C11D7/32
摘要:
The invention relates to a method for the synthesis of a compound according to formula I comprising the following steps: a) reacting a N-carboxyanhydride according to formula II and a N-carboxy- anhydride according to formula III with a diamine according to formula IV and b) adding an acid to the reaction to adjust the pH value of the reaction to 2 -C
20 alkyl group, a C
6 -C
20 aryl group, or a C
7 -C
20 alkylaryl group; and R
1 and R
2 can be identical or different and represent a hydrogen atom, a C
1 -C
4 alkyl group, a C
1 -C
4 hydroxyalkyl group, a C
1 -C
4 thioether group, a C
6 -C
20 aryl group, a C
7 -C
20 alkylaryl group, a C
7 -C
20 alkylhydroxyaryl group, a C
4 -C
20 alkylheteroaryl group with 1 to 4 heteroatoms; or a C
1 -C
4 alkylcarboxylic moiety, which may be an acid, an amide, or which may be esterified with a C
1 -C
6 alkyl group or a C
7 -C
20 alkylaryl group.
摘要(中):
20 alkyl group, a C
6 -C
20 aryl group, or a C
7 -C
20 alkylaryl group; and R
1 and R
2 can be identical or different and represent a hydrogen atom, a C
1 -C
4 alkyl group, a C
1 -C
4 hydroxyalkyl group, a C
1 -C
4 thioether group, a C
6 -C
20 aryl group, a C
7 -C
20 alkylaryl group, a C
7 -C
20 alkylhydroxyaryl group, a C
4 -C
20 alkylheteroaryl group with 1 to 4 heteroatoms; or a C
1 -C
4 alkylcarboxylic moiety, which may be an acid, an amide, or which may be esterified with a C
1 -C
6 alkyl group or a C
7 -C
20 alkylaryl group.
本发明涉及一种合成式I化合物的方法,包括以下步骤:a)使根据式II的N-羧酸酐和根据式III的N-羧酸酐与根据式IV的二胺反应 和b)向反应物中加入酸以将反应的pH值调节至<7; 其中L表示C2-C20烷基,C6-C20芳基或C7-C20烷基芳基; R1和R2可以相同或不同,表示氢原子,C1-C4烷基,C1-C4羟烷基,C1-C4硫醚基,C6-C20芳基,C7-C20烷基芳基, C 7 -C 20烷基羟基芳基,具有1至4个杂原子的C 4 -C 20烷基杂芳基; 或C 1 -C 4烷基羧酸部分,其可以是酸,酰胺或可以被C 1 -C 6烷基或C 7 -C 20烷基芳基酯化。
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 |
------C07C231/00 | 羧酸酰胺的制备 |
--------C07C231/02 | .通过与氨或胺反应从羧酸或从它们的酯、酐或卤化物来制备 |