Hypoglaunine B

Hypoglaunine B

Common Name: Hypoglaunine B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C41H47NO20/c1-18-24-12-13-42-15-25(24)34(48)55-16-37(7)27-28(56-20(3)44)32(58-22(5)46)40(17-54-19(2)43)33(59-23(6)47)29(60-35(49)26-11-10-14-53-26)31(61-36(50)38(18,8)51)39(9,52)41(40,62-37)30(27)57-21(4)45/h10-15,18,27-33,51-52H,16-17H2,1-9H3/t18?,27-,28-,29+,30-,31+,32-,33+,37+,38?,39+,40-,41+/m1/s1

InChIKey: InChIKey=JXQXTWWCCNHEQZ-PEWXIWONSA-N

Formula: C41H47N1O20

Molecular Weight: 873.80658

Exact Mass: 873.269143

NMR Solvent: CDCl3

MHz: 400 (1H); 100 (13C)

Calibration: TMS

NMR references: 1H, 13C - Duan, H., Takaishi, Y. (1998) Structures of sequiterpene polyol alkaloids from Tripterygium hypoglaucum. Phytochemistry 49, 2185-2189.

Species: Tripterygium hypoglaucum - Duan, H., Takaishi, Y. (1998) Structures of sequiterpene polyol alkaloids from Tripterygium hypoglaucum. Phytochemistry 49, 2185-2189.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
1 5.68 d 3.9
2 5.54 dd 2.4, 3.9
3 4.79 d 2.4
5 7.05 s
6 2.42 d 3.9
7 5.53 dd 3.9, 6.3
8 5.39 d 6.3
11' 4.29 d 13.6
11" 5.48 d 13.6
12 1.56 s
14 1.63 s
15' 4.29 d 11.7
15" 5.14 d 11.7
2' 9 s
5' 7.83 d 4.9
6' 8.69 d 4.9
7' 4.24 q 6.8
9' 1.19 d 6.8
10' 1.38 s
1-OAc 2.2 s
5-OAc 2.18 s
7-OAc 1.98 s
8-OAc 1.85 s
11-OAc 2.33 s
2-OFuranoyl (positions unknown) 7.51 d
2-OFuranoyl (positions unknown) 6.89 d
2-OFuranoyl (positions unknown) 8.32 d

Carbon NMR Peaks

Position PPM
1 73
2 68.3
3 77.9
4 71.7
5 74.7
6 51.1
7 69.3
8 71.2
9 52.8
10 93.6
11 60.6
12 22.8
13 83.6
14 18.7
15 69.9
2' 151.7
3' 127.7
4' 152
5' 123.6
6' 152.7
7' 42.3
8' 77.1
9' 17.4
10' 24.2
11' 175.2
12' 167.7
1-OAc (CH3) 21.5
1-OAc (carbonyl) 169.5
5-OAc (CH3) 20.9
5-OAc (carbonyl) 169.8
7-OAc (CH3) 20.4
7-OAc (carbonyl) 168.8
8-OAc (CH3) 20.3
8-OAc (carbonyl) 169
11-OAc (CH3) 21.2
11-OAc (carbonyl) 170.6
2-OFuranoyl (position unknown) 160.9
2-OFuranoyl (position unknown) 144.4
2-OFuranoyl (position unknown) 110
2-OFuranoyl (position unknown) 118.5
2-OFuranoyl (position unknown) 149