申请人:The Regents of the University of Michigan
公开号:US06413938B1
公开(公告)日:2002-07-02
According to a first aspect of the invention there is provided compounds of formula (I):
wherein:
R1 is hydroxy; O-acetyl; or a halo atom;
R2 is hydroxy; O-acetyl; or a halo atom;
R3 is hydrogen; a halo atom; azido; C2-6alkenyl; C2-6alkynyl; C6-14aryl C2-6alkenyl; C6-14arylC2-6alkynyl —NR8R9 (where R8 and R9 may be the same or different and are hydrogen, C1-8alkyl, cyanoC1-8alkyl, hydroxyC1-8alkyl, haloC1-8alkyl, C3-7cycloalkyl, C1-8alkylC3-7cycloalkyl, C2-6alkenyl, C3-7cycloalkylC1-8alkyl, C2-6alkynyl, C6-14aryl, C6-14arylC1-8alkyl, heterocycleC1-8alkyl, C1-8alkylcarbonyl, C6-14arylsulfonyl, C1-8alkysulfonyl, or R8R9 together with the N atom to which they are attached form a 3,4,5 or 6 membered heterocyclic ring); —OR10 (where R10 is hydrogen, C1-8alkyl, C6-14aryl, or C6-14arylC1-8alkyl, C2-6alkenyl, C2-6alkynyl, C6-14aryl C2-6alkenyl or C6-14arylC2-6alkynyl); or —SR11 (where R11 is hydrogen, C1-8alkyl, C6-14aryl, or C6-14arylC1-8alkyl).
根据本发明的第一个方面,提供了以下式(I)的化合物:其中:R1是羟基;O-乙酰基;或卤原子;R2是羟基;O-乙酰基;或卤原子;R3是氢原子;卤原子;叠氮基;C2-6烯基;C2-6炔基;C6-14芳基C2-6烯基;C6-14芳基C2-6炔基-NR8R9(其中R8和R9可能相同也可能不同,为氢原子,C1-8烷基,氰基C1-8烷基,羟基C1-8烷基,卤基C1-8烷基,C3-7环烷基,C1-8烷基C3-7环烷基,C2-6烯基,C3-7环烷基C1-8烷基,C2-6炔基,C6-14芳基,C6-14芳基C1-8烷基,杂环C1-8烷基,C1-8烷基羰基,C6-14芳基磺酰基,C1-8烷基磺酰基,或R8R9与它们连接的N原子一起形成3,4,5或6个成员的杂环环);-OR10(其中R10是氢原子,C1-8烷基,C6-14芳基,或C6-14芳基C1-8烷基,C2-6烯基,C2-6炔基,C6-14芳基C2-6烯基或C6-14芳基C2-6炔基);或-SR11(其中R11是氢原子,C1-8烷基,C6-14芳基,或C6-14芳基C1-8烷基)。