(21S,23R)-21-Methoxy-24,25-dihydroxy-21,23-epoxytirucalla-7-ene-3-one

(21S,23R)-21-Methoxy-24,25-dihydroxy-21,23-epoxytirucalla-7-ene-3-one

Common Name: (21S,23R)-21-Methoxy-24,25-dihydroxy-21,23-epoxytirucalla-7-ene-3-one

Synonyms: (21S,23R)-21-Methoxy-24,25-dihydroxy-21,23-epoxytirucalla-7-ene-3-one

CAS Registry Number:

InChI: InChI=1S/C31H50O5/c1-27(2)23-10-9-21-20(29(23,5)14-13-24(27)32)12-16-30(6)19(11-15-31(21,30)7)18-17-22(36-26(18)35-8)25(33)28(3,4)34/h9,18-20,22-23,25-26,33-34H,10-17H2,1-8H3/t18-,19-,20-,22+,23-,25?,26-,29+,30-,31+/m0/s1

InChIKey: InChIKey=NYUZBOBAGWNMHW-LUXIQYLWSA-N

Formula: C31H50O5

Molecular Weight: 502.726875

Exact Mass: 502.365825

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Mitsui, K., Saito, H., Yamamura, R., Fukaya, H., Hitotsuyanagi, Y., Takeya, K. Chem Pharm Bull (2007) 55, 1442-7

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Tirucallanes; 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 (CH2) 38.6
2 (CH2) 34.9
3 (C) 216.9
4 (C) 47.9
5 (CH) 52.5
6 (CH2) 24.4
7 (CH) 118.2
8 (C) 145.6
9 (CH) 48.4
10 (C) 35.1
11 (CH2) 17.9
12 (CH2) 31.1
13 (C) 43.6
14 (C) 50.8
15 (CH2) 34.2
16 (CH2) 27.4
17 (CH) 45
18 (CH3) 23.3
19 (CH3) 12.8
20 (CH) 46.3
21 (CH) 104.9
22 (CH2) 31.6
23 (CH) 78.9
24 (CH) 76.6
25 (C) 73
26 (CH3) 26.3
27 (CH3) 26.4
28 (CH3) 24.5
29 (CH3) 21.6
30 (CH3) 27.5
21a (CH3) 55.2