Table 1: Hydroxycinnamic acids and ester derivatives.

251754.tab.001
R1R2R3

p-Coumaric HHH
Caffeic acidOHHH
5-Bromocaffeic acid OHBrH
Methyl caffeateOHHCH3
Ethyl caffeateOHHCH2CH3
Ethyl 5-bromocaffeate OHBrCH2CH3
Propyl caffeateOHHCH2CH2CH3
Butyl caffeateOHHCH2(CH2)2CH3
Hexyl caffeateOHHCH2(CH2)4CH3
3,4,5-Trihydroxycinnamic acidOHOHH
Ethyl 3,4,5-trihydroxycinnamateOHOHCH2CH3
Ferulic acidOCH3HH
5-Bromoferulic acid OCH3BrH
Methyl ferulateOCH3HCH3
Ethyl ferulateOCH3HCH2CH3
Ethyl 5-bromoferulate OCH3BrCH2CH3
Propyl ferulateOCH3HCH2CH2CH3
Butyl ferulateOCH3HCH2(CH2)2CH3
Hexyl ferulateOCH3HCH2(CH2)4CH3
Sinapic acidOCH3OCH3H
Methyl sinapateOCH3OCH3CH3
Ethyl sinapateOCH3OCH3CH2CH3
Propyl sinapateOCH3OCH3CH2CH2CH3
Butyl sinapateOCH3OCH3CH2(CH2)2CH3