Xylocarpin B

Xylocarpin B

Common Name: Xylocarpin B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C33H42O12/c1-16(34)42-27-25-28(43-17(2)35)33(39)20(8-10-29(4)22(33)13-24(38)44-26(29)19-9-11-41-14-19)31(6)21(12-23(37)40-7)30(27,5)15-32(25,31)45-18(3)36/h9,11,14,20-22,25-28,39H,8,10,12-13,15H2,1-7H3/t20-,21+,22-,25+,26+,27-,28-,29-,30+,31-,32+,33-/m1/s1

InChIKey: InChIKey=VGUYBWJXTOTJBG-RSXFGHBSSA-N

Formula: C33H42O12

Molecular Weight: 630.680655

Exact Mass: 630.267627

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Cui, J., Wu, J., Deng, Z., Proksch, P., Lin, W. J Nat Prod (2007) 70, 772-8

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Limonoids; 13 C Spectrum from Naproc 13: José Luis López-Pérez, Roberto Therón, Esther del Olmo, David Díaz: NAPROC-13: a database for the dereplication of natural product mixtures in bioassay-guided protocols. Bioinformatics 23(23):3256-3257 (2007)

Carbon NMR Peaks

Position PPM
1 (C) 88.5
2 (CH) 46.2
3 (CH) 75.6
4 (C) 45.3
5 (CH) 38
6 (CH2) 33.6
7 (C) 173.4
8 (C) 73.7
9 (CH) 54.8
10 (C) 46.8
11 (CH2) 22.5
12 (CH2) 34.2
13 (C) 35.5
14 (CH) 50.2
15 (CH2) 28.3
16 (C) 170.5
17 (CH) 77.9
18 (CH3) 23.6
19 (CH3) 23.3
20 (C) 121.7
21 (CH) 140.2
22 (CH) 109.5
23 (CH) 143.1
28 (CH3) 15.3
29 (CH2) 39.5
30 (CH) 70.5
1a (C) 168.6
1b (CH3) 21.4
3a (C) 169.9
3b (CH3) 21.3
7a (CH3) 51.9
30a (C) 170.7
30b (CH3) 22.1