Phosphate-bearing prodrugs of sulfonyl hydrazines as hypoxia-selective antineoplastic agents
申请人:Lin Xu
公开号:US20060089332A1
公开(公告)日:2006-04-27
Novel phosphate-bearing prodrugs of sulfonyl hydrazines have the formulas I, II, III and IV. Pharmaceutical compositions and uses thereof in the treatment of cancer are claimed. The aforementioned prodrugs include enantiomers, stereoisomers and tautomers thereof, as well as pharmaceutically acceptable salts or solvates and metabolites from all stages. The aforementioned prodrugs are preferentially activated in hypoxic tumors and can be given either alone, or in combination with other anticancer agents or with phototheraphy or radiotherapy.
Where R=C
1-10
alkyl, or C
1-10
haloalkyl (preferably containing no more than 5 halogen groups, preferably 2-chloroethyl);
R′ and R″ are independently C
1-10
alkyl, or C
5-20
aryl or heteroaryl (preferably methyl);
R
1
is H, C
1-10
alkyl, C
1-10
alkoxyl, C
5-20
aryl or heteroaryl or C
5-20
aroxyl or heteroaroxyl (preferably methyl and ethyl);
X is O, NH, or NR (preferably O);
Y is (CH
2
)
n
, O(CH
2
)
n
, NH(CH
2
)
n
, NR(CH
2
)
n
, OCOO(CH
2
)
n
, NHCOO(CH
2
)
n
;
n is 1, 2, 3, 4 or 5 (preferably n=2 and 3); or Y=aryl or heteroaryl (preferably para-phenyl); A=CH, or N (preferably CH); and B=CH═CH, O, S, NH, or NR (preferably CH═CH); or pharmaceutically acceptable salts, solvates, polymorphs or metabolites, thereof.