21b -Methylmelianodiol

21b -Methylmelianodiol

Common Name: 21b -Methylmelianodiol

Synonyms:

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-DOXOYOMTSA-N

Formula: C31H50O5

Molecular Weight: 502.726875

Exact Mass: 502.365825

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Xu, G.H., Kim, J.A., Kim, S.Y., Ryu, J.C., Kim, Y.S., Jung, S.H., Kim, M.K., Lee, S.H. Chem Pharm Bull (2008) 56, 839-42

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) 38.52
2 (CH2) 35.08
3 (C) 216.8
4 (C) 47.85
5 (CH) 52.41
6 (CH2) 24.35
7 (CH) 118.1
8 (C) 145.6
9 (CH) 48.32
10 (C) 34.9
11 (CH2) 17.71
12 (CH2) 31.08
13 (C) 43.5
14 (C) 50.76
15 (CH2) 34.18
16 (CH2) 27.31
17 (CH) 44.98
18 (CH3) 23.25
19 (CH3) 12.72
20 (CH) 46.28
21 (CH) 104.9
22 (CH2) 31.57
23 (CH) 78.85
24 (CH) 76.52
25 (C) 72.92
26 (CH3) 26.3
27 (CH3) 26.38
28 (CH3) 24.48
29 (CH3) 21.53
30 (CH3) 27.41
21a (CH3) 55.17