NOVEL GEM-DIFLUORINATED C-GLYCOSIDE COMPOUNDS DERIVED FROM PODOPHYLLOTOXIN, THEIR PREPARATION AND THEIR APPLICATIONS
申请人:Quirion Jean-Charles
公开号:US20090318675A1
公开(公告)日:2009-12-24
The invention relates to a gem-difluoride glycoconjugated compound with formula (I): where R represents II or a benzyl, acetyl, benzoyl alkyl group, R
1
and R
2
may be identical or different and represent H or an alkyl, benzyl, benzoyl, acetyl, pivaloyl, trialkylsilyl, tertiobutyldiphenylsilyl protective group or an acetal group of the CR′R′ type, where R′ and R′ may be identical or different and represent H or an alkyl, aryl, benzyl or thiophene group, R
3
represents H or an alkyl, benzyl, benzoyl, acetyl, pivaloyl, trialkylsilyl or tertiobutyldiphenylsilyl protective group, R
4
represents OR″, NGR′GR′, N
3
, or a phthalimide, where R″ represents H or an alkyl, benzyl, benzoyl, acetyl, pivaloyl, trialkylsilyl or tertiobutyldiphenylsilyl protective group, GR′ and GR′ may be identical or different and represent II or an alkyl, benzyl, benzoyl, acetyl, alkyloxycarbonyl, allyloxycarbonyl or benzyloxycarbonyl group, R
5
represents a free or protected hydroxyl group or a halogen, R
6
represents H or an alkyl, acetyl, benzyl, PO
3
H or PO
3
Na group. It is applicable to the preparation of compounds that can be used particularly for the treatment of cancer.
这项发明涉及一种具有化学式(I)的双氟甘露聚糖结合化合物,其中R代表II或苄基、乙酰基、苯甲酰基烷基,R1和R2可以相同也可以不同,代表H或烷基、苄基、苯甲酰基、乙酰基、戊酰基、三烷基硅基、叔丁基二苯基硅基保护基或CR′R′型的缩醛基团,其中R′和R′可以相同也可以不同,代表H或烷基、芳基、苄基或噻吩基,R3代表H或烷基、苄基、苯甲酰基、乙酰基、戊酰基、三烷基硅基或叔丁基二苯基硅基保护基,R4代表OR″、NGR′GR′、N3或邻苯二甲酰亚胺,其中R″代表H或烷基、苄基、苯甲酰基、乙酰基、戊酰基、三烷基硅基或叔丁基二苯基硅基保护基,GR′和GR′可以相同也可以不同,代表II或烷基、苄基、苯甲酰基、乙酰基、烷氧羰基、烯丙氧羰基或苄氧羰基,R5代表自由或受保护的羟基或卤素,R6代表H或烷基、乙酰基、苄基、PO3H或PO3Na基团。该发明适用于制备特别用于癌症治疗的化合物。