• iNDEX#1

    Abstract The 13C Substituent Chemical Shifts (SCS) for Cα and C atoms for the meta- and para-X- substituted styrenes (X= H, NMe2, OMe, Me, F, Cl, Br, CF3, CO2Me, COMe, CN, NO2) in seven different solvents (75%EtOH-D2O, EtOH, Me2SO, Me2CO, CDCl3, CCl4 and C6H6), were modelled by two different types of substituent parameter: namely mono substituent parameter (MSP)(Hammett’s model), and dual substituent parameter DSP(modified SwainLupton, Reynolds’ and Taft models). There is no significant

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