ࡱ >
\ p None B a = c @ = Z ?N*8 X" 1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial1 Arial General ` Table_1 i 4 a. 1H NMR data in CDCl3 Ref. 44 experimental 1 . 3 1 ( 6 H , d , J
=
7 . 1 H z ) CH3-16/17 1 . 3 0 6 ( 6 H , d , J
=
7 . 0 H z ) 1.65 (3H, s) CH3-10
1.662 (3H, s) 2.69 (3H, s) CH3-14
1.689 (3H, s) 2 . 8 3 ( 2 H , d , J
=
6 . 0 H z )
H-11AH-11B 2.811 (1H, dd, 2J = 14.0 Hz, 3J = 7.5 Hz)2.868 (1H, dd, 2J = 14.0 Hz, 3J = 7.3 Hz) 3 . 3 8 ( 1 H , p e n t , J
=
7 . 1 H z ) H-15 3 . 3 7 8 ( 1 H , s e p t , J
=
7 . 0 H z ) 4 . 9 0 5 . 6 0 ( 3 H , m ) H-13AH-13BH-12q 4 . 9 5 5 ( 1 H , d d , J
=
9 . 9 H z , J
=
1 . 1 H z ) 5 . 0 5 4 ( 1 H , d d , J
=
1 7 . 0 H z , J
=
1 . 1 H z ) 5 . 3 2 6 ( 1 H , d d t , J
=
1 7 . 0 / 9 . 9 / 7 . 4 H z ) 7.96 (1H, s) 9-OH 8.01 (1H, s)
13.25 (1H, s) 6-OH
13.35 (1H, s)5 b. 13C NMR data in CDCl3 190.8 (C-8), 181.3 (C-5), 177.7 (C-2), 154.1 (C-6), 146.9 (C-9a), 146.1 (C-9), 135.5 (C-3a), 132.0 (C-4a), 130.8 (C-12), 126.4 (C-7), 122.5 (C-4), 120.2 (C-13), 117.1 (C-8a), 50.0 (C-3), 41.6 (C-11), 23.9 (C-15), 22.9 (C-10), 19.7 (C-16/17), 17.3 (C-14) ppm.
d MbP?_ % * + &P &F