Table 1.

Nuclear magnetic resonance spectroscopy data of huimycin.

Position	δ C a	δH mult. (J, Hz) b	HMBC c
2	160.3
4	155.4
5	98.7
6	164.5
7	84.5
8	131.0	7.60, s	2 e, 4, 5, 6 e, 7, 10
10	116.3
11	54.2	4.05, s	5 e, 6
1′	83.6	5.28, d 9.6	2, 2′, 3′, 5′
2′	56.1	3.87 d	1′, 3′, 8′
3′	76.3	3.55, m	2′, 4′
4′	71.9	3.38 d	5′, 6′
5′	79.2	3.39 d
6′ a	62.6	3.69, m	4′
6′ b		3.85 d
8′	174.5
9′	22.7	1.96, s	8′

^a Acquired at 125 MHz, referenced to solvent signal meod4 at δ 49.15 ppm. ^b Acquired at 500 MHz, referenced to solvent signal meod4 at δ 3.31 ppm. ^c Proton showing HMBC correlation to indicated carbons. ^d Overlapped signals. ^e Observed in HMBC with CNST13 = 2 Hz.