Table 2.

¹³C-NMR data of the 1,3,4-thiadiazole derivatives 1–3.

Thiadiazole Derivative	13C-NMR Signals (ppm) *
	C2	C5	C6	C7	C8	C9	C10	C11	C13	C14	C15	C16	C17	C18
1	167.84	156.03	108.98	156.43	103.00	160.22	108.35	129.20	-	-	-	-	-	-
2	168.79	158.87	109.15	156.35	102.88	160.94	108.62	129.03	158.89	22.88	-	-	-	-
3	169.24	155.92	121.36	147.89	118.21	152.53	121.02	129.72	160.03	22.87	168.96	21.31	169.33	21.68

* = numbering system shown in Figure 1.