SN-Donor Methylthioanilines and Copper(II) Complexes: Synthesis, Spectral Properties, and In Vitro Antimicrobial Activity

Table 1

¹H and ¹³C chemical shifts (δ) for substituted-6-(methylthio)aniline ligands in ppm.

Ligands	C1	C2	H, C3	H, C4	H, C5	H, C6	H, C7	H 8	H, C9
(L1)	----	----	6.84 d	6.83 t	6.64 d	----	2.43 s	3.81 s	3.83 s
	134.90	125.46	115.04	122.45	112.29	147.17	18.80	----	55.36
(L2)	----	----	7.11 d	7.09 t	6.61 d	----	2.42 s	3.57 s	2.15 s
	143.20	122.84	128.33	115.25	131.77	125.12	18.55	----	17.04
(L3)	----	----	7.26 d	6.68 t	7.07 d	----	2.41 s	3.97 s	----
	141.32	119.41	129.06	116.16	130.05	126.58	18.42	----	----
(L4)	----	----	7.42 d	6.66 t	7.11 d	----	2.40 s	4.02 s	----
	142.55	126.91	129.89	115.97	133.18	109.31	18.57	----	----

s singlet; d doublet; t triplet.