申请人:Mitsubishi Chemical Corporation
公开号:US20040147591A1
公开(公告)日:2004-07-29
The present invention provides a compound represented by the formula (I) or a salt thereof:
1
wherein R
1
represents a hydrogen atom, a C
1-10
alkyl group optionally having a substituent, or a protecting group of N; R
2
represents a C
1-10
alkyl group optionally having a substituent or a C
2-10
alkenyl group optionally having a substituent; R
3
and R
4
independently represent a hydrogen atom or a protecting group of hydroxyl group; X represents —N(R
5
)R
6
or a residue of amino acid or of an amino group of a peptide wherein R
5
and R
6
independently represent a hydrogen atom, a C
1-10
alkyl group optionally having a substituent, or a C
3-12
cycloalkyl group optionally having a substituent; and Y represents a hydrogen atom, —CH
2
NH
2
, —CONH
2
, or —COOH. The compound of the present invention is useful as a specific inhibitor of sugar chain related enzymes such as glycosyltransferase and glycosidase, and is useful as, for example, a medicine for treating or preventing diseases associated with sugar chain related enzymes.
本发明提供了一种由式(I)表示的化合物或其盐:1其中,R1表示氢原子,C1-10烷基,可选地具有取代基,或N的保护基; R2表示C1-10烷基,可选地具有取代基,或C2-10烯基,可选地具有取代基; R3和R4分别表示氢原子或羟基的保护基; X表示-N(R5)R6或氨基酸或肽的氨基团的残基,其中R5和R6分别表示氢原子,C1-10烷基,可选地具有取代基,或C3-12环烷基,可选地具有取代基; Y表示氢原子,-CH2NH2,-CONH2或-COOH。本发明的化合物可用作糖链相关酶的特异性抑制剂,例如,用作治疗或预防与糖链相关酶相关的疾病的药物。