申请人:Fazio Michael J.
公开号:US20110092741A1
公开(公告)日:2011-04-21
The present invention generally relates to a process for preparing a 1,2-ethylenediamine; 1,2-propylenediamine; or a mixture thereof by way of a catalyzed reductive amination reaction employing hydrogen, a reductive amination catalyst, (C
3
-C
40
)polyhydric alcohol having at least three hydroxy groups on consecutive carbon atoms thereof, and primary amine, the catalyzed reductive amination reaction employing reaction conditions that are effective for reductively aminating at least two of the hydroxy groups of the (C
3
-C
40
)polyhydric alcohol and reductively eliminating at least one other of the hydroxy groups of the (C
3
-C
40
)polyhydric alcohol in such a way so as to give a 1,2-ethylenediamine; 1,2-propylenediamine; or a mixture thereof.
本发明通常涉及通过使用氢气、还原胺催化剂、至少具有三个羟基的(C3-C40)多羟基醇和初级胺进行催化还原胺反应,从而制备1,2-乙二胺;1,2-丙二胺;或它们的混合物的方法。催化还原胺反应应用的反应条件有效地对(C3-C40)多羟基醇的至少两个羟基进行还原胺化,并还原性地消除(C3-C40)多羟基醇的至少另一个羟基,以便给出1,2-乙二胺;1,2-丙二胺;或它们的混合物。