申请人:Sigma - Aldrich Co.
公开号:US20040092031A1
公开(公告)日:2004-05-13
A metal chelating composition having the formula:
1
wherein
Q is a carrier;
S
1
is a spacer;
L is —A—T—CH(X)— or —C(═O)—;
A is an ether, thioether, selenoether, or amide linkage;
T is a bond or substituted or unsubstituted alkyl or alkenyl;
X is —(CH
2
)
k
CH
3
, —(CH
2
)
k
COOH,—(CH
2
)
k
SO
3
H, —(CH
2
)
k
PO
3
H
2
, —(CH
2
)
k
N(J)
2
, or —(CH
2
)
k
P(J)
2
, preferably —(CH
2
)
k
COOH or —(CH
2
)
k
SO
3
H;
k is an integer from 0 to 2;
J is hydrocarbyl or substituted hydrocarbyl;
Y is —COOH, —H, —SO
3
H, —PO
3
H
2
, —N(J)
2
, or —P(J)
2
, preferably, —COOH;
Z is —COOH, —H, —SO
3
H, —PO
3
H
2
, —N(J)
2
, or —P(J)
2
, preferably, —COOH; and
i is an integer from 0 to 4, preferably 1 or 2.
一种金属螯合组合物,其化学式为
1
其中
Q 是载体;
S
1
是间隔物;
L 是-A-T-CH(X)-或-C(═O)-;
A 是醚、硫醚、硒醚或酰胺连接;
T 是键或取代或未取代的烷基或烯基;
X 是-(CH
2
)
k
CH
3
,-(CH
2
)
k
COOH、-(CH
2
)
k
SO
3
H, -(CH
2
)
k
PO
3
H
2
,-(CH
2
)
k
N(J)
2
或-(CH
2
)
k
P(J)
2
最好是-(CH
2
)
k
COOH或-(CH
2
)
k
SO
3
H;
k 是 0 至 2 的整数;
J 是烃基或取代的烃基;
Y是-COOH、-H、-SO
3
H、-PO
3
H
2
、-N(J)
2
或-P(J)
2
最好是-COOH;
Z 是-COOH、-H、-SO
3
H、-PO
3
H
2
、-N(J)
2
或-P(J)
2
最好是-COOH;以及
i 是 0 至 4 的整数,最好是 1 或 2。