Synthesis and Conformational Assignment of N-(E)-Stilbenyloxymethylenecarbonyl-Substituted Hydrazones of Acetone and o-(m- and p-) Chloro- (nitro-) benzaldehydes by Means of ¹H and ¹³C NMR Spectroscopy

Table 6

¹H NMR data of compounds 10–18 (𝛿, ppm).

Compound	–OCH2–; s, cis; s, trans	–NH–; s, cis; s, trans	N=CH; s, cis; s, trans	Ar*; m
10	5.17; 4.73	11.97; 11.89	8.07; 8.14	8.14–6.95
11	5.24; 4.75	11.88	8.15; 8.53	8.27–6.95
12	5.23; 4.75	11.93	8.31; 8.45	8.27–6.96
13	5.21; 4.74	11.71; 11.70	8.34; 8.72	8.23–6.98
14	5.23; 4.73	11.75; 11.69	8.20; 8.32	8.23–6.82
15	5.23; 4.75	11.92; 11.84	8.41; 8.76	8.23–6.90
16	5.20; 4.76	11.99; 11.92	8.39; 8.75	8.23–6.61
17	5.26; 4.76	11.87; —	8.48; 8.53	8.28–6.91
18	5.26; 4.77	11.94	8.32; 8.44	8.29–7.00