Time filter

Source Type

Patent
Abx Advanced Biochemical Compounds Gmbh, University of Leipzig and Helmholtz Center Dresden | Date: 2012-07-31

The invention relates to a compound of formula Ia or Ib wherein R^(1 )represents CO_(2)R^(3), COR^(4 )or R^(5), wherein R^(3 )represents unsubstituted or substituted C_(1)-C_(6 )alkyl, R^(4 )represents hydrogen, unsubstituted or substituted C_(1)-C_(6 )alkyl, and R^(5 )represents hydrogen, unsubstituted or substituted C_(1)-C_(6 )alkyl, R^(2 )represents N^(+)(R^(6))(R^(7))(R^(8))X^() or a nitro group, wherein R^(6), R^(7), R^(8 )independently of each other represent unsubstituted or substituted C_(1)-C_(6 )alkyl or unsubstituted or substituted (CH_(2))n- with n=1 to 12 provided that at least two of the substituents R^(6)R^(7)R^(8 )are C_(1)-C_(6 )alkyl, and X^() represents a halide, sulphonate, unsubstituted or substituted acetate, sulphate, hydrogen sulphate, nitrate, perchlorate, or oxalate

Loading Abx Advanced Biochemical Compounds Gmbh collaborators
Loading Abx Advanced Biochemical Compounds Gmbh collaborators