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

Table 4

¹³C NMR data^a,b (ppm) of heterobimetallic Zn(II) and Sn(IV) complexes with sarcosine.

Carbon	HL	(1)	(2)	(3)	(4)	(5)	(6)
1, 1′	179.2	186.3	181.9	183.7	185.4	184.3	183.8
2, 2′	56.6	56.8	56.3	56.9	56.7	56.6	56.8
3, 3′	41.5	41.3	41.3	41.5	41.4	41.2	41.5
–CSS	—	202.6	202.5	202.8	201.7	202.8	202.7

aCompound (1) Sn-CH₃Cl, (C-𝛼) 2.1 ¹J[397]; compound (2) Sn-CH₂CH₂CH₂CH₃Cl, (C-𝛼) 29.5, (C-𝛽) 27.4, (C-𝛾) 26.2, (C-𝛿) 13.9; compound (3) Sn-C₆H₅Cl, (C-𝛼) 137.6 ¹J[640], (C-𝛽) 132.8 ²J[49.0], (C-𝛾) 129.9, (C-𝛿) 124.8; compound (4) Sn-CH₃, (C-𝛼) 2.3 ¹J[396]; compound (5) Sn-CH₂CH₂CH₂CH₃, (C-𝛼) 31.1 [349], (C-𝛽) 27.1 ²J[21], (C-𝛾) 28.2 3J[63], (C-𝛿) 14.1; compound (6) Sn-C₆H₅, (C-𝛼) 138.0 ¹J[640], (C-𝛽) 133.0 ²J[49.0], (C-𝛾) 130.0, (C-𝛿) 125.1.
bChemical shifts (δ) in ppm: 𝑛J[¹¹⁹Sn, ¹³C] in Hz is listed in parenthesis.