Reaction of (di)amines in the presence of a lysine oxidase and of a reducing agent
申请人:——
公开号:US20040158061A1
公开(公告)日:2004-08-12
The present invention relates to a method for reacting amines of the general formula (I)
1
with A- meaning
2
to give compounds of the general formula (II) or (III)
3
with B- meaning HO—CH
2
—R
3
— or R
4
—
comprising the following steps:
a) oxidation of at least one
4
group of an amine of the general formula (I) to a carbonyl group in the presence of a lysine oxidase as catalyst;
b) where appropriate reaction of the second NH
2
group of an amine of the general formula (I) with
5
with the carbonyl group resulting from a) to give an enamine or imine by cyclization;
c) reduction of the carbonyl group(s) resulting from a), or of the enamine or imine resulting where appropriate from b), with a reducing agent respectively to hydroxymethyl groups or to a cyclic secondary amine of the general formula (II),
where R
1
is NR
5
or a linear bivalent C
2
-C
6
hydrocarbon radical which is optionally substituted by CO
2
H, CO
2
R
6
, OH, SH and/or N(R
5
)
2
and/or contains nonadjacent O, S and/or N atoms,
where R
5
is H or linear C
1
-C
6
-alkyl and R
6
is linear Cl-C
6
-alkyl or branched C
3
-C
6
-alkyl or C
6
-C
10
-aryl,
and R
2
is H, CO
2
H, CO
2
R
6
or CN,
where the method is carried out as a one-pot method, lysine oxidase and reducing agent are present together, and
in the definition of A in the general formula (I)
R
3
is a bivalent C
0
-C
1
or C
5
-C
18
hydrocarbon radical which is optionally substituted by linear C
1
-C
6
-alkyl or branched C
3
-C
6
-alkyl, C
6
-C
10
-aryl, C
4
-C
10
-heteroaryl and/or CO
2
R
6
and/or contains nonadjacent O, S and/or N atoms, and
R
4
is a linear C
1
-C
20
hydrocarbon radical which is optionally substituted by functional groups such as CO
2
H and/or C0
2
R
6
and/or contains nonadjacent O, S and/or N atoms.
本发明涉及一种方法,用于将一般式(I)中的胺与A-含义2反应,得到一般式(II)或(III)中的化合物,其中B-含义为HO—CH2—R3—或R4—,包括以下步骤:a)将一般式(I)中的至少一个4个基团氧化为酮基,在赖氨酸氧化酶存在下作为催化剂;b)必要时将一般式(I)中的第二个NH2基团与5反应,与a)中产生的酮基反应,通过环化得到烯胺或亚胺;c)将a)中产生的酮基或必要时b)中产生的烯胺或亚胺,分别与还原剂还原为羟甲基基团或一般式(II)中的环二级胺;其中R1为NR5或线性的双价C2-C6碳氢基团,可选择地被CO2H、CO2R6、OH、SH和/或N(R5)2取代,和/或含有非相邻的O、S和/或N原子;R5为H或线性的C1-C6-烷基,R6为线性的Cl-C6-烷基或支链的C3-C6-烷基或C6-C10-芳基,R2为H、CO2H、CO2R6或CN;该方法作为一锅法进行,赖氨酸氧化酶和还原剂同时存在,并且在一般式(I)中A的定义中,R3为双价的C0-C1或C5-C18碳氢基团,可选择地被线性的C1-C6-烷基或支链的C3-C6-烷基、C6-C10-芳基、C4-C10-杂环烷基取代,和/或含有非相邻的O、S和/或N原子,R4为线性的C1-C20碳氢基团,可选择地被CO2H和/或C02R6等官能团取代,和/或含有非相邻的O、S和/或N原子。