申请人:SEKISUI MEDICAL CO., LTD.
公开号:US20190263842A1
公开(公告)日:2019-08-29
To develop a protecting group that facilitates separation and purification, after reaction, of a compound including a protected functional group, without solidifying or insolubilizing the compound.
A xanthene compound of by General Formula (1)
(wherein Y is —OR
17
(R
17
is a hydrogen atom or an active ester-protecting group), —NHR
18
(R
18
is a hydrogen atom, or a linear or branched C
1
-C
6
alkyl group or aralkyl group), an azide, a halogen atom, or a carbonyl group formed together with a methylene group;
at least one of R
1
to R
8
is represented by Formula (2);
—O—R
9
—X-A (2)
and a residue is a hydrogen atom, a halogen atom, a C
1
-C
4
alkyl group, or a C
1
-C
4
alkoxy group,
wherein R
9
is a linear or branched C
1
-C
16
alkylene group;
X is O or CONR
19
(R
19
is a hydrogen atom or a C
1
-C
4
alkyl group); and
A is represented by Formula (3) or the like
(wherein R
10
, R
11
, and R
12
, the same or different, are a linear or branched C
1
-C
6
alkyl group or an aryl group optionally including a substituent;
R
13
is a single bond or a linear or branched C
1
-C
3
alkylene group; and
R
14
, R
15
, and R
16
are a linear or branched C
1
-C
3
alkylene group)).
开发一种保护基团,可在反应后便于分离和纯化含有受保护官能团的化合物,而不使化合物固化或不溶化。
一种由通式(1)表示的黄色素化合物
(其中Y为—OR
17
(R
17
为氢原子或活性酯保护基团),—NHR
18
(R
18
为氢原子,或线性或支链的C
1
-C
6
烷基或芳基烷基),叠氮化物,卤素原子,或与亚甲基组成的羰基;
R
1
至R
8
中至少有一个由式(2)表示;
—O—R
9
—X-A (2)
残基为氢原子,卤素原子,C
1
-C
4
烷基,或C
1
-C
4
烷氧基,
其中R
9
为线性或支链的C
1
-C
16
烷基烯基;
X为O或CONR
19
(R
19
为氢原子或C
1
-C
4
烷基);和
A由式(3)或类似表示
(其中R
10
,R
11
和R
12
,相同或不同,为线性或支链的C
1
-C
6
烷基或芳基,可包括取代基;
R
13
为单键或线性或支链的C
1
-C
3
烷基烯基;和
R
14
,R
15
和R
16
为线性或支链的C
1
-C
3
烷基烯基)。