Quadrangularic acid K

Quadrangularic acid K

Common Name: Quadrangularic acid K

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H48O5/c1-18(8-7-12-25(2,3)35)19-11-13-27(5)20-9-10-21-28(6,24(33)34)22(31)16-23(32)30(21)17-29(20,30)15-14-26(19,27)4/h7,12,18-23,31-32,35H,8-11,13-17H2,1-6H3,(H,33,34)/b12-7+/t18-,19-,20+,21+,22+,23+,26-,27+,28+,29+,30-/m1/s1

InChIKey: InChIKey=FHXLGIIQMAKDCP-BHYMEYOBSA-N

Formula: C30H48O5

Molecular Weight: 488.700258

Exact Mass: 488.350175

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) 72.4
2 (CH2) 38.6
3 (CH) 70.5
4 (C) 55.5
5 (CH) 37.6
6 (CH2) 23.3
7 (CH2) 28.1
8 (CH) 48
9 (C) 20.7
10 (C) 29.8
11 (CH2) 26
12 (CH2) 33
13 (C) 45.4
14 (C) 48.9
15 (CH2) 35.7
16 (CH2) 25.7
17 (CH) 52.1
18 (CH3) 18.3
19 (CH2) 29.6
20 (CH) 36.7
21 (CH3) 18.4
22 (CH2) 39.3
23 (CH) 124.4
24 (CH) 141.3
25 (C) 69.6
26 (CH3) 30.6
27 (CH3) 30
28 (C) 180
29 (CH3) 9.6
30 (CH3) 19.3