申请人:——
公开号:US20030092738A1
公开(公告)日:2003-05-15
Compounds of formula (I) wherein the substituent groups defined by R
1
, R
2
, R
3
and R
4
are each independently selected of H, C(═O)R, P(═O)R′R″, S(═O)R′R″, substituted or unsubstituted C
1
-C
18
alkyl, substituted or unsubstituted C
2
-C
18
alkenyl, substituted or unsubstituted C
2
-C
18
alkynyl, substituted or unsubstituted aryl; wherein each of the R′, R″ groups is independently selected from the group consisting of H, OH, NO
2
, NH
2
, SH, CN, halogen, ═O, C(═O)H, C(═O)CH
3
, CO
2
H, CO
2
CH
3
, substituted or unsubstituted C
1
-C
18
alkyl, substituted or unsubstituted C
2
-C
18
alkenyl, substituted or unsubstituted C
2
-C
18
alkynyl, substituted or unsubstitued aryl; wherein R
1
, R
2
, R
3
could form part of a heterocyclic ring; R
2
can be independently an internal salt; wherein X
1
, X
2
and X
3
on formula (I) are independently placed in any particular position of the chain and independently selected of H, OH, OR′, SH, SR′, SOR′, SO
2
R′, NO
2
, NH
2
, NHR′, N(R′)
2
, NHC(O)R′, CN, halogen, ═O, C(═O)H, C(═O)CH
3
, CO
2
H, CO
2
CH
3
, substituted or unsubstituted C
1
-C
18
alkyl, substituted or unsubstituted C
2
-C
18
, alkenyl, substituted or unsubstituted C
2
-C
18
alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaromatic; wherein substituent groups defined by R′ are each independently selected from the group consisting of H, OH, OR′, SH, SR′, SOR′, SO
2
R′, NO
2
, NH
2
, NHR′, N(R′)
2
, NHC(O)R′, CN, halogen, ═O, C(═O)H, C(═O)CH
3
, CO
2
H, CO
2
CH
3
, substituted or unsubstituted C
1
-C
18
alkyl, substituted or unsubstituted C
2
-C
18
alkenyl, substituted or unsubstituted C
2
-C
18
alkynyl, substituted or unsubstituted aryl, substituted or unsubstituted heteroaromatic; wherein x can be between 6 and 20; and wherein the dotted line is one or several double bonds placed in any particular position of the side chain; are useful as antitumor compounds and include compound IK-8-73-4 of structure (a) which was isolated from a sponge Pachastrissa sp.
式(I)的化合物,其中由R1,R2,R3和R4定义的取代基团分别独立选择H,C(═O)R,P(═O)R′R″,S(═O)R′R″,取代或未取代的C1-C18烷基,取代或未取代的C2-C18烯基,取代或未取代的C2-C18炔基,取代或未取代的芳基;其中每个R′,R″基团分别独立选择自H,OH,NO2,NH2,SH,CN,卤素,═O,C(═O)H,C(═O)CH3,CO2H,CO2CH3,取代或未取代的C1-C18烷基,取代或未取代的C2-C18烯基,取代或未取代的C2-C18炔基,取代或未取代的芳基;其中R1,R2,R3可以构成杂环环;R2可以独立为内盐;其中公式(I)上的X1,X2和X3可以独立地放置在链的任何特定位置,并且可以独立选择H,OH,OR′,SH,SR′,SOR′,SO2R′,NO2,NH2,NHR′,N(R′)2,NHC(O)R′,CN,卤素,═O,C(═O)H,C(═O)CH3,CO2H,CO2CH3,取代或未取代的C1-C18烷基,取代或未取代的C2-C18烯基,取代或未取代的C2-C18炔基,取代或未取代的芳基,取代或未取代的杂环芳基;其中由R′定义的取代基团分别独立选择自H,OH,OR′,SH,SR′,SOR′,SO2R′,NO2,NH2,NHR′,N(R′)2,NHC(O)R′,CN,卤素,═O,C(═O)H,C(═O)CH3,CO2H,CO2CH3,取代或未取代的C1-C18烷基,取代或未取代的C2-C18烯基,取代或未取代的C2-C18炔基,取代或未取代的芳基,取代或未取代的杂环芳基;其中x可以在6到20之间;其中虚线是一条或多条放置在侧链的任何特定位置的双键;它们可用作抗肿瘤化合物,并包括从海绵Pachastrissa sp.中分离出的结构为(a)的化合物IK-8-73-4。