Ent-2a,15,16,19-tetrahydroxypimar-8(14)-ene

Ent-2a,15,16,19-tetrahydroxypimar-8(14)-ene

Common Name: Ent-2a,15,16,19-tetrahydroxypimar-8(14)-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H34O4/c1-18(17(24)11-21)7-6-15-13(8-18)4-5-16-19(2,12-22)9-14(23)10-20(15,16)3/h8,14-17,21-24H,4-7,9-12H2,1-3H3/t14-,15+,16+,17?,18-,19-,20-/m0/s1

InChIKey: InChIKey=NRYNTARIOIRWAB-UJCPGSJHSA-N

Formula: C20H34O4

Molecular Weight: 338.482323

Exact Mass: 338.24571

NMR Solvent: CD3OD

MHz:

Calibration:

NMR references: 13C - Xiang, Y., Zhang, H., Fan, C.Q., Yue, J.M. J Nat Prod (2004) 67, 1517-21

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Isopimaranes; 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) 46.2
2 (CH) 68.6
3 (CH2) 42.4
4 (C) 39.6
5 (CH) 56.4
6 (CH2) 24.1
7 (CH2) 38.1
8 (C) 140.2
9 (CH) 53.7
10 (C) 39.05
11 (CH2) 20.1
12 (CH2) 33.8
13 (C) 39.13
14 (CH) 130.5
15 (CH) 78.2
16 (CH2) 64.9
17 (CH3) 23.6
18 (CH3) 29.1
19 (CH2) 68.2
20 (CH3) 19.1