申请人:Zabudkin Alexander F.
公开号:US20090176974A1
公开(公告)日:2009-07-09
A method for the aralkylation of anthracyclins by utilizing an aralkylating agent R
3-
CH
2
X (for example, BnBr) in accordance with the reaction pathway describe by the scheme shown in FIG.
1
. The present invention recognizes that 4-R
1
, 3′-N
3
-Daunomycines are suitable substrates for selective 4′-O-benzylation, yielding 4-R
1
, 3′-N
3
-4′-O-Aralkyl-Daunorubicines (in particular, 4′-O-Bn-Daunomycines). Thus, the present invention provides a pathway for a simple production of 4′-O-aralkylated derivatives of anthracyclines which can be effectively used to produce anthracyclines.
一种用于利用芳基化试剂R3-CH2X(例如,BnBr)对蒽喜树碱进行芳基化的方法,符合图1所示的反应途径描述的方案。本发明认识到4-R1, 3'-N3-多柔米辛是适合选择性4'-O-苄基化的底物,产生4-R1, 3'-N3-4'-O-芳基-多柔比辛(特别是4'-O-Bn-多柔米辛)。因此,本发明提供了一种简单生产蒽喜树碱的4'-O-芳基化衍生物的途径,这些衍生物可以有效用于生产蒽喜树碱。