申请人:GENENTECH, INC.
公开号:US20140294868A1
公开(公告)日:2014-10-02
Conjugate compounds of formula (A):
wherein:
R
2
is
where R
36a
and R
36b
are independently selected from H, F, C
1-4
saturated alkyl, C
2-3
alkenyl, which alkyl and alkenyl groups are optionally substituted by a group selected from C
1-4
alkyl amido and C
1-4
alkyl ester or, when one of R
36a
and R
36b
is H, the other is selected from nitrile and a C
1-4
alkyl ester;
R
6
and R
9
are independently selected from H, R, OH, OR, SH, SR, NH
2
, NHR, NRR′, NO
2
, Me
3
Sn and halo;
R
7
is independently selected from H, R, OH, OR, SH, SR, NH
2
, NHR, NRR′, NO
2
, Me
3
Sn and halo;
Y is selected from formulae A1, A2, A3, A4, A5 and A6:
L is a linker connected to a cell binding agent;
CBA is the cell binding agent;
n is an integer selected in the range of 0 to 48;
R
A4
is a C
1-6
alkylene group;
either
(a) R
10
is H, and R
11
is OH, OR
A
, where R
A
is C
1-4
alkyl; or
(b) R
10
and R
11
form a nitrogen-carbon double bond between the nitrogen and carbon atoms to which they are bound; or
(c) R
10
is H and R
11
is OSO
z
M, where z is 2 or 3 and M is a monovalent pharmaceutically acceptable cation;
R and R′ are each independently selected from optionally substituted C
1-12
alkyl, C
3-20
heterocyclyl and C
5-20
aryl groups, and optionally in relation to the group NRR′, R and R′ together with the nitrogen atom to which they are attached form an optionally substituted 4-, 5-, 6- or 7-membered heterocyclic ring;
wherein R
16
, R
17
, R
19
, R
20
, R
21
and R
22
are as defined for R
6
, R
7
, R
9
, R
10
, R
11
and R
2
respectively;
wherein Z is CH or N;
wherein T and T′ are independently selected from a single bond or a C
1-9
alkylene, which chain may be interrupted by one or more heteroatoms e.g. O, S, N(H), NMe, provided that the number of atoms in the shortest chain of atoms between X and X′ is 3 to 12 atoms; and
X and X′ are independently selected from O, S and N(H).
将公式(A)的共轭化合物变形:其中:R2是其中R36a和R36b分别独立选择自H、F、C1-4饱和烷基、C2-3烯基,所述烷基和烯基基团可以选择性地被C1-4烷基酰胺和C1-4烷基酯中的一种基团取代,或者当R36a和R36b中的一个是H时,另一个选择自腈和C1-4烷基酯;R6和R9独立选择自H、R、OH、OR、SH、SR、NH2、NHR、NRR′、NO2、Me3Sn和卤素;R7独立选择自H、R、OH、OR、SH、SR、NH2、NHR、NRR′、NO2、Me3Sn和卤素;Y选择自公式A1、A2、A3、A4、A5和A6;L是连接到细胞结合剂的连接剂;CBA是细胞结合剂;n是选择在0到48范围内的整数;RA4是C1-6烷基基团;要么(a)R10是H,而R11是OH、ORA,其中RA是C1-4烷基;或者(b)R10和R11在氮和碳原子之间形成氮-碳双键;或者(c)R10是H,而R11是OSOzM,其中z为2或3,M是一价的药用可接受阳离子;R和R′各自独立选择自选择性取代的C1-12烷基、C3-20杂环基和C5-20芳基,并且在NRR′基团方面,R和R′与它们连接的氮原子一起形成一个可选择取代的4-、5-、6-或7-成员杂环环;其中R16、R17、R19、R20、R21和R22如R6、R7、R9、R10、R11和R2所定义;其中Z为CH或N;其中T和T′独立选择自单键或C1-9烷基,该链可能被一个或多个杂原子(如O、S、N(H)、NMe)中断,前提是在X和X′之间原子最短链中原子的数量为3到12个原子;X和X′独立选择自O、S和N(H)。