Methyl quadrangularate I

Methyl quadrangularate I

Common Name: Methyl quadrangularate I

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C31H50O6/c1-18(2)21(33)8-7-19(16-32)20-11-12-28(4)22-9-10-23-29(5,26(36)37-6)24(34)15-25(35)31(23)17-30(22,31)14-13-27(20,28)3/h19-25,32-35H,1,7-17H2,2-6H3/t19-,20+,21-,22-,23-,24-,25-,27+,28-,29-,30-,31+/m0/s1

InChIKey: InChIKey=RESIIDXCURYNKX-ZNYUBGTGSA-N

Formula: C31H50O6

Molecular Weight: 518.72628

Exact Mass: 518.360739

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Banskota, A.H., Tezuka, Y., Tran, K.Q., Tanaka, K., Saiki, I., Kadota, S. J Nat Prod (2000) 63, 57-64

Species:

Notes: Family : Terpenoids, Type : Triterpenoids, Group : Cycloartanes; 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 (CH) 72.2
2 (CH2) 38.6
3 (CH) 70.4
4 (C) 56
5 (CH) 37.9
6 (CH2) 23.4
7 (CH2) 27.7
8 (CH) 48.3
9 (C) 20.9
10 (C) 30.1
11 (CH2) 26.2
12 (CH2) 32.5
13 (C) 45.5
14 (C) 49.1
15 (CH2) 35.9
16 (CH2) 25.8
17 (CH) 47
18 (CH3) 18.7
19 (CH2) 29.7
20 (CH) 43.6
21 (CH2) 62
22 (CH2) 26.4
23 (CH2) 32.4
24 (CH) 76.2
25 (C) 149.5
26 (CH2) 110.2
27 (CH3) 17.9
28 (C) 178.1
29 (CH3) 9.5
30 (CH3) 19.7
28a (CH3) 51.5