申请人:GLAXO S.p.A.
公开号:EP0416952A2
公开(公告)日:1991-03-13
Compounds of the general formula (I)
in which:-
R₁ represents a hydroxyl protecting group; and
R₂ represents a hydrogen or halogen atom, an azido group, a C₁₋₃ alkyl group, a group (CH₂)mOR₃ wherein m is zero or one and R₃ represents a hydrogen atom or a hydroxyl protecting group, an azidoethoxy group, a protected hydroxyethoxy group or a group XR₄ in which X is an oxygen atom or the group S(O)n in which n is zero, 1 or 2 and R₄ represents a C₁₋₅alkyl, C₃₋₇ cycloalkyl or phenyl group or when X is oxygen or sulphur then R₄ may also represent the group AlkNR₅R₆ in which Alk represents a C₂₋₆ straight or branched alkylene chain and R₅ and R₆ independently represent a hydrogen atom or C₁₋₄alkyl group or R₅ and R₆ together with the nitrogen atom to which they are attached form a pyrrolidino or piperidino ring or the group NR₅R₆ represents a protected amino group, or R₂ represents the group (CH₂)mNR₇R₈ in which m is zero or 1 and R₇ and R₈ independently represent a hydrogen atom or a C₁₋₄alkyl group or NR₇R₈ represents a protected amino group, or R₂ and the carbon atom to which it is attached represent a keto group or a ketal derivative thereof;
and acid addition salts of such compounds containing basic centres.
通式(I)化合物
其中
R₁ 代表羟基保护基团;以及
R₂ 代表氢原子或卤素原子、叠氮基团、C₁₋₃ 烷基、基团 (CH₂)mOR₃ 其中 m 为 0 或 1,且 R₃ 代表氢原子或羟基保护基团、叠氮乙氧基、受保护羟乙氧基或基团 XR₄,其中 X 为氧原子或基团 S(O)n,其中 n 为 0、1 或 2,R₄ 代表 C₁₋₅烷基、C₃₋₇环烷基或苯基,或当 X 为氧或硫时,R₄ 也可代表 AlkNR₅R₆ 基团,其中 Alk 代表 C₂₋₆ 直链或支链亚烷基链,R₅ 和 R₆ 独立地代表氢原子或 C₁₋₄烷基,或 R₅ 和 R₆ 与它们所连接的氮原子一起形成吡咯烷或哌啶环,或基团 NR₅R₆ 代表受保护的氨基、或 R₂ 代表基团 (CH₂)mNR₇R₈ 其中 m 为 0 或 1,且 R₇ 和 R₈ 独立代表氢原子或 C₁₋₄alkyl 基团,或 NR₇R₈ 代表受保护氨基、或 R₂ 及其连接的碳原子代表酮基或其酮衍生物;
以及含有碱性中心的此类化合物的酸加成盐。