Organocatalytic Cascade Reaction of Aliphatic Enals and Benzoylnitromethane: Synthesis of Enantioenriched Tetrasubstituted Cyclohexene Carbaldehyde

Table 3

Correlations for 3c in the HSQC and HMBC spectra.

Carbon	δ (ppm)	Correlation HSQC	Correlation HMBC
1	13.9	1 (0.90)	3 (1.48–1.34)
2	15.0	2 (1.23)	6a (3.62), 6b (3.79)
3	33.2	5 (2.59–2.48)	3 (1.48–1.34), 4 a, b (2.05–1.81), 7a (4.37), 7b (4.56), 8 (6.18)
4	33.9	3 (1.48–1.34)	1 (0.90), 5 (2.59–2.48), 7a (4.37), 7b (4.56)
5	35.6	4 a, b (2.05–1.81)	5 (2.59–2.48), 7a (4.37), 7b (4.56)
6	63.3	6a (3.62), 6b (3.79)	2 (1.23), 8 (6.18)
7	79.3	—	4 a, b (2.05–1.81), 5 (2.59–2.48)
8	79.5	7a (4.37), 7b (4.56)	4 a, b (2.05–1.81)
9	97.3	8 (6.18)	4 a, b (2.05–1.81), 5 (2.59–2.48), 6a (3.62), 6b (3.79)
10	128.5	9 (7.47)	10 (7.59)
11	129.7	—	9 (7.47), 11 (8.10–8.05)
12	129.8	11 (8.10–8.05)	9 (7.47), 10 (7, 59)
13	133.4	10 (7.59)	11 (8.10–8.05)
14	166.1	—	8 (6.18), 11 (8.10–8.05)