发明名称 |
PREPARATION OF 24 ALKYL ANALOGS OF CHOLECALCIFEROL AND NON-RACEMIC COMPOUNDS |
摘要 |
Disclosed is a process for the preparation of 24-alkyl analogs of cholecalcyferol of Formula (1) having a (5E) or (5Z) configuration, wherein X represents a hydrogen atom, a hydroxy group or an OR1 group, wherein R1, R2 and R3 may be the same or different and represent groups suitable for hydrox yl protection, and R4 is a C1-6 alkyl chain or a C1-6 alkyl groups, especially for calcipotriol. The invention also provides new non-racemic compounds bein g valuable synthones for the synthesis of pharmacologically active substances.
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申请公布号 |
CA2481909(A1) |
申请公布日期 |
2003.10.23 |
申请号 |
CA20032481909 |
申请日期 |
2003.04.10 |
申请人 |
INSTYTUT FARMACEUTYCZNY |
发明人 |
KRUPA, MALGORZATA;MARTYNOW, JACEK;SZELEJEWSKI, WIESLAW;CHODYNSKI, MICHAL;KUTNER, ANDRZEJ;FITAK, HANNA |
分类号 |
C07C31/133;C07C309/73;C07C401/00;C07F7/18;(IPC1-7):C07C401/00;C07C31/27;C07C309/72;C07D277/74;C07D277/76 |
主分类号 |
C07C31/133 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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