申请人:RONGVED Pål
公开号:US20200095237A1
公开(公告)日:2020-03-26
The invention provides compounds of general formula (I′), and their pharmaceutically acceptable salts:
wherein:
Z is a group having the formula: -T-S-A-Y in which: T is a group selected from —O—, —NH—, —S—, —(XCR
7
R
8
)— (where R
7
and R
8
is independently —H or C
1-3
alkyl and X is selected from from —O—, —NH—, —S—); S is —(C═O)—, —(SO
2
)—, —(PO
2
)—; A, —O—, —NH—, —S— or —NH(CO)—, —(CR
7
R
8
X)— (where R
7
and R
8
is independently —H or C
1-3
alkyl and X is selected from from —O—, —NH—, —S—), -T-S-A- is a group susceptible to hydrolytic and/or enzymatic cleavage in vivo to leave a group selected from —OH, —NH
2
, —SH, —COOH, —CONH
2
, —O—(CR
7
R
8
)—COOH and —(CR
7
R
8
)—CONH
2
; Y is one or more targeting groups or a lipophilic or hydrophilic group affecting the solubility in water and the biodistribution in a living organism or a living cell; R
1
-R
6
are independently selected from hydrogen, halogen (e.g. F, Cl, Br, I), lower alkyl (e.g. C
1-6
alkyl), optionally substituted with an acidic group which is —COOH, —SO
3
H, —PO
3
H
2
or —B(OH)
2
.
Such compounds find particular use as anti-neoplastic and anti-infective agents.