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

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

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

Synonyms: (21R,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-ISTYNNMRSA-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) 38.5
2 (CH2) 34.9
3 (C) 216.9
4 (C) 47.9
5 (CH) 52.4
6 (CH2) 24.4
7 (CH) 118.2
8 (C) 145.6
9 (CH) 48.4
10 (C) 35.1
11 (CH2) 17.8
12 (CH2) 31.6
13 (C) 43.7
14 (C) 51
15 (CH2) 33.8
16 (CH2) 27.4
17 (CH) 50.3
18 (CH3) 22.6
19 (CH3) 12.8
20 (CH) 47.8
21 (CH) 109
22 (CH2) 34.4
23 (CH) 76.8
24 (CH) 75.5
25 (C) 73.1
26 (CH3) 26.4
27 (CH3) 26.5
28 (CH3) 24.5
29 (CH3) 21.6
30 (CH3) 27.3
21a (CH3) 55.6