Compounds of the formula
wherein R₁ is hydrogen or alkyl;
R₂ is 2-oxo-tetrahydrofur-3-yl, CH(R₆)-(CH₂)₂-X-CH₃ wherein R₆ is carboxy or alkoxycarbonyl and X is C(=O) or CH(OR₇) wherein R₇ is hydrogen or alkyl, or R₂ is CH(R₆)-CH₂-CH₂-OR₇ wherein R₆ and R₇ have the meanings given above;
and R₃, R₄ and R₅ are each independently of the other hydrogen or alkyl;
or wherein R₁, R₄ and R₅ have the meanings given above and R₂ and R₃ together form 2,3 epoxy-3-carboxy-pentan-2,5-diyl or 2,3 epoxy-3-alkoxycarbonyl-pentan-2,5-diyl, the C₂-atom of said pentan-2,5-diyl binding to the oxygen;
or wherein the partial structure
represents the group of the formula
are protein kinase inhibitors and useful in the therapeutic treatment of the animal and human body.
式中的化合物
其中 R₁ 是氢或烷基;
R₂ 是 2-氧代-
四氢呋喃-3-基、CH(R₆)-(CH₂)₂-X-CH₃,其中 R₆ 是羧基或烷氧基羰基,X 是 C(=O)或 CH(OR₇),其中 R₇ 是氢或烷基、或 R₂ 是 CH(R₆)-CH₂-CH₂-OR₇ 其中 R₆ 和 R₇ 具有上述含义;
R₃、R₄和R₅各自独立地为氢或烷基;
或其中 R₁、R₄ 和 R₅ 具有上述含义,且 R₂ 和 R₃ 共同形成 2,3-环氧-3-羧基-戊-2,5-二基或 2,3-环氧-3-烷氧羰基-戊-2,5-二基,所述戊-2,5-二基的 C₂ 原子与氧结合;
或其中的部分结构
代表式中的基团
是蛋白激酶
抑制剂,可用于动物和人体的治疗。