Figure 1

Schematic procedure for the obtention of the tetrahydroquinoline derivatives 6 (R = CH3) and 37 (R = Cl) from G1-PABA. Reactants and chemical synthesis conditions are listed up (first step)—down (second step) from the arrow.
Schematic procedure for the obtention of the tetrahydroquinoline derivatives 6 (R = CH3) and 37 (R = Cl) from G1-PABA. Reactants and chemical synthesis conditions are listed up (first step)—down (second step) from the arrow.