发明名称 |
PREPARATION OF 4-DEMETHYOXYDAUNOMYCINONE; PHARMACEUTICAL COMPOSITIONS AND INTERMEDIATES |
摘要 |
<p>4-Demethoxy-daunomycinone I: <CHEM> the known aglycone of 4-demethoxy-daunorubicin, is prepared by protecting the 13-keto group of 4-demethyl-daunomycinone, sulfonylating the 4-hydroxy group, reacting the sulfonylated compound with an amine, removing the amino protecting group from the resultant 4-demethyl-4-(protected amino)-13-dioxolanyl-daunomycinone, diazotising the thus-freed 4-amino group and reducing under mild conditions the resulting diazonium compound.</p> |
申请公布号 |
NZ227873(A) |
申请公布日期 |
1990.09.26 |
申请号 |
NZ19890227873 |
申请日期 |
1989.02.07 |
申请人 |
FARMITALIA CARLO ERBA SRL |
发明人 |
DE BERNARDINIS, SILVIA;CABRI, WALTER;MARTINENGO, TIZIANO;FRANCALANCI, FRANCO |
分类号 |
C07D317/20;C07C45/00;C07C46/00;C07C50/38;C07C67/00;C07C225/32;C07C241/00;C07C245/20;C07D317/26;C07D317/28;C07H15/252;(IPC1-7):C07C50/38;A61K31/12 |
主分类号 |
C07D317/20 |
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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