申请人:Wang Xianqi Peter
公开号:US20080097100A1
公开(公告)日:2008-04-24
Novel opiate intermediate compositions and methods of synthesis that include changing the substitution pattern on the aromatic ring of the pre-Grewe intermediate are provided. The intermediates are morphinane derivatives of formula (10) wherein X is a F or Cl and R is selected from the group consisting of an H, alkyl, aryl, acyl, formyl, COR″, CONHR″, COOR, Bn(benzyl), alkyl(methyl), and sulfonamide SO
2
CH
2
COPh.