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 5

¹³C NMR data of compounds 1–9—Part B; two values given for each carbon atom concern cis and trans conformers.

Compound	C-A	C-B	C-C	C-1′′	C-2′′	C-3′′	C-4′′	C-5′′	C-6′′
1	169.12	143.86	66.59	139.85	131.36	127.25	133.24	129.94	131.60
	164.44		64.78		131.22	127.12	132.94
2	169.19	146.25	66.48	136.35	127.85	130.46	133.66	136.20	129.60
	164.41	142.22	64.78
3	169.06	146.65	66.51	134.65	133.05	129.94	142.57	129.94	133.05
	164.31		64.71	134.40	132.93	128.79		128.79	132.93
4	169.06	143.29	66.46	130.47	128.66	133.78	130.79	124.68	148.23
	164.31	139.28	64.69			133.49	130.57	124.49	148.00
5	169.05	145.33	66.42	135.85	133.19	130.30	127.50	148.04	121.13
	164.36	141.40	64.71	135.66	132.75	130.19			120.91
6	169.17	145.28	66.44	140.22	130.32	123.90	147.74	123.90	130.32
	164.47	141.29	64.47	140.08		123.83	147.56	123.83
7	169.16	143.90	66.54	133.29	131.51	128.92	139.89	128.78	131.43
	164.49		64.80
8	169.17	146.25	66.46	136.20	130.67	130.76	133.66	136.37	129.61
	164.39	142.23	64.78
9	169.06	146.60	66.47	134.66	131.51	128.80	142.62	128.80	131.51
	164.32		64.76	134.42	131.42	128.91		128.91	131.43