PROCESS FOR PREPARING 6-O-MONOESTERS OF CASTANOSPERMINE
摘要
The present invention relates to a process for preparing a compound of formula (I): (see formula I) wherein R is C1-C10 alkyl, phenyl or substituted phenyl, comprising treating a compound of formula (II): (see formula II) with bis(tributyltin) oxide in an organic solvent selected from the group consisting of o-xylene, m-xylene, p-xylene and mixed xylenes; and subsequently treating the reaction mixture with a compound of formula (III): (see formula III) wherein X is halogen and R is defined as above.
申请公布号
CA2485323(C)
申请公布日期
2010.07.20
申请号
CA19982485323
申请日期
1998.04.27
申请人
AVENTIS PHARMACEUTICALS INC.
发明人
GORALSKI, CHRISTIAN T.;STOLZ-DUNN, SANDRA;HITT, JAMES E.;LOUKS, DAVID H.;SCHERZER, BRIAN D.;NITZ, MARK A.;SMIT, MARK R.