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. 2018 Mar 26;3(3):3471–3481. doi: 10.1021/acsomega.8b00295

Table 2. NMR Spectroscopic Data for Natural Lucidimine C and Synthetic Lucidimine C.

	¹³C NMR (δ_C)		¹H NMR (δ_H)
position number^a	natural lucidimine C^b	synthetic lucidimine C^c	natural lucidimine C^d	synthetic lucidimine C^e
2	153.5^f	153.4
3	123.5^g	123.5
4	30.8	30.8	3.08 (ddd, J = 16.6, 7.6 and 7.6 Hz, 1H)	3.08 (m, 1H)
			2.94 (ddd, J = 16.6, 7.7 and 7.7 Hz, 1H)	2.94 (m, 1H)
5	26.1	26.1	2.18–2.24 (m, 2H)	2.22 (m, 2H)
6	31.2	31.2	3.03 (t, J = 7.4 Hz, 2H)	3.03 (t, J = 7.4 Hz, 2H)
7	146.7	146.7	8.47 (s, 1H)	8.48 (s, 1H)
8	145.9	145.9
9	141.8	141.8
10	98.1	98.1	6.10 (s, 1H)	6.11 (s, 1H)
1′	123.6	123.6
2′	146.7^h	146.7
3′	119.6	119.6	6.95 (d, J = 8.7 Hz, 1H)	6.97 (d, J = 8.7 Hz, 1H)
4′	119.0	119.0	6.82 (dd, J = 8.7 and 3.0 Hz, 1H)	6.84 (dd, J = 8.7 and 3.0 Hz, 1H)
5′	153.7	153.7
6′	110.8	110.8	7.60 (d, J = 3.0 Hz, 1H)	7.63 (d, J = 3.0 Hz, 1H)
OMe	55.9	55.9	3.55 (s, 3H)	3.57 (s, 3H)

^a

See Figure 1 for numbering.

^b

Obtained from ref (39) and recorded in CD₃OD at 150 MHz.

^c

Recorded in CD₃OD at 150 MHz.

^d

Obtained from ref (39) and recorded in CD₃OD at 600 MHz.

^e

Recorded in CD₃OD at 400 MHz.

^f

This signal in ref (39) (153.7) is an error, revised by Liu et al.

^g

This signal in the original ref (39) (153.5) is an error, revised by Liu et al.

^h

This signal in ref (39) (153.5) is an error, revised by Liu et al.