发明名称 |
Fremgangsmåde til fremstilling af N,N'-bis(2-hydroxybenzyl)ethylendiamin-N,N'-dieddikesyre og derivater deraf |
摘要 |
<p>The invention relates to a process for the preparation of N,N'-bis(2-hydroxybenzyl)-ethylenediamine-N,N'-diacetic acid and its derivatives of general formula I, wherein both R have the same meaning and are selected from H, C 1 -C 4 alkyl, CH 2 OH, SO 3 M, and COOM; and all M have the same meaning and represent hydrogen atom, Na, K or NH 4 ; which comprises reductive amination of glyoxylic acid with a salan compound of general formula (II), in the presence of an amine proton acceptor. The compounds of formula (I) can be used as chelating agents for micronutrients in fertilizer preparations for plants.</p> |
申请公布号 |
DK2039679(T3) |
申请公布日期 |
2015.11.02 |
申请号 |
DK20070465006T |
申请日期 |
2007.09.20 |
申请人 |
PRZEDSIEBIORSTWO PRODUKCYJNO-CONSULTINGOWE ADOB SP. Z O.O. SP. K. |
发明人 |
NAWROCKI, ADAM;STEFANIAK, FILIP;MROZEK-NIECKO, ANIKA;OLSZEWSKI, RADOSLAW |
分类号 |
C07C227/04;C07C213/02;C07C229/14;C07C229/38;C07C249/02;C07C251/24 |
主分类号 |
C07C227/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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