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. Author manuscript; available in PMC: 2018 Feb 24.
Published in final edited form as: J Nat Prod. 2017 Jan 27;80(2):551–559. doi: 10.1021/acs.jnatprod.6b01146

Table 1.

1H NMR Data of Compounds 1 and 2

Position 1a δH (J in Hz) 2a δH (J in Hz)
4 7.22 d (8.4) 7.33 d (8.4)
5 6.61 dd (8.4, 2.3) 6.65 dd (8.4, 2.4)
7 7.34 (broadening) 7.35 d (2.4)
11α 2.45 ddd (12.0, 9.2, 5.2) 2.69 dt (6.5, 12.0)
11β 2.83 dd (9.2, 7.2) 3.42 dd (12.0, 8.9)
12α 1.92 dd (12.0, 5.2) 2.31 dd (12.0, 6.5)
12β 2.04 dt (7.2, 12.0) 2.13 dt (8.9, 12.0)
2-CH3 1.47 s 1.75 s
3-OH 5.50, br.s 5.81, br.s
6-OCH3 3.72 s 3.74 s
13-OCH3 3.77 s 3.75 s
14-OCH3 3.53 s
a

Run at 400 MHz, DMSO-d6.