Research Article

Synthesis, Spectral, and In Vitro Antibacterial Studies of Organosilicon(IV) Complexes with Schiff Bases Derived from Amino Acids

Table 4

13C NMR spectral data of the ligands and their corresponding organosilicon(IV) complexes.

CompoundsChemical shift in ( ppm)
COOHCHC=NSi–CH3Aromatic carbons

176.152.4163.6148.5, 131.0, 129.8, 125.3, 122.9, 119.1
185.453.3152.414.10145.3, 131.2, 129.5, 125.1, 122.6, 120.2
172.663.5155.8159.9, 130.4, 129.5, 133.8, 110.9, 148.5, 121.3
180.764.2150.213.67155.4, 130.6, 129.2, 134.0, 111.5, 148.1, 121.0
178.260.4162.9157.3, 144.6, 136.1, 132.3, 128.4, 122.5, 116.8
186.160.1152.613.90155.9, 144.9, 135.9, 132.3, 129.1, 122.3, 117.2
176.867.8163.4149.2, 135.8, 133.0, 128.6, 127.5, 126.3, 124.6, 122.9, 120.1
184.866.6151.313.90146.7, 135.9, 133.2, 127.3, 127.0, 126.5, 124.8, 122.3, 120.4
177.472.6162.4160.2, 150.7, 138.1,131.5, 130.4, 128.2, 124.5, 124.1,123.8, 122.6, 121.2, 120.6, 117.4, 112.2, 109.4
184.772.3152.713.98158.1, 149.6, 138.0, 131.7, 130.1, 128.7, 124.8, 124.4, 123.4, 122.3, 121.6, 120.1, 118.8, 112.9, 110.3