Preparation, Characterization, and Antimicrobial Activities of Bimetallic Complexes of Sarcosine with Zn(II) and Sn(IV)

Table 3

1H NMR data^a--d (ppm) of heterobimetallic complexes with sarcosine.

Proton no.	HL	(1)	(2)	(3)	(4)	(5)	(6)
2, 2′	3.15s	3.97s	3.99s	3.88s	3.74s	3.63s	3.95s
3, 3′	2.48s	2.89s	2.80s	2.96s	2.85s	2.94s	2.79s

aCompound (1) Sn-CH₃Cl, 1.27s ²J[96]; compound (2) Sn-CH₂CH₂CH₂CH₃Cl, 0.88–0.93m, 0.23t (7.2); compound (3) Sn-C₆H₅Cl, 7.91d ²J[82], 7.50–7.53m, 7.42–7.50m; compound (4) Sn-CH₃, 0.51s ²J[82]; compound (5) Sn-CH₂CH₂CH₂CH₃, 0.64–1.1m, 0.23t (7.2); compound (6) Sn-C₆H₅, 7.91d ²J[82], 7.50–7.53m, 7.42–7.50m.
bMultiplicity is given as s: singlet, d: doublet, t: triplet, m: multiplet.
cCoupling constant, 𝑛J[¹¹⁹Sn, ¹H] and 𝑛J[¹H, ¹H] in Hz are given in square bracket and parenthesis, respectively.
^d