A series of α-aminopyridines in the form of (2, 6-C6H3N)(R1)(CHR2NR3R4)(R1= R2= H R3= H R4= iPr (L1a), R4= tBu (L1b), R4= Ph (L1c), R4= 2, 6-Me2C6H3 (L1d), R4= 2, 6- iPr2C6H3 (L1e), R1= R2= H R3= R4= Et (L1f), R1= H R2= Me R3= H R4= iPr (L2a), R4= Ph (L2c), R4= 2, 6-Me2C6H3 (L2d), R4= 2, 6-iPr2C6H3 (L2e), R1= Me R2= H R3= H R4= 2, 6- iPr2C6H3 (L3e)) and β-aminopyridines in the form of (2-C6H4N)(CH2CH2NR1R2)(R1= H ...