Ent-12a,16-epoxy-2b,15a,19-trihydroxypimar-8(14)-ene

Ent-12a,16-epoxy-2b,15a,19-trihydroxypimar-8(14)-ene

Common Name: Ent-12a,16-epoxy-2b,15a,19-trihydroxypimar-8(14)-ene

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H32O4/c1-18(11-21)8-13(22)9-19(2)14-6-17-20(3,16(23)10-24-17)7-12(14)4-5-15(18)19/h7,13-17,21-23H,4-6,8-11H2,1-3H3/t13-,14-,15-,16+,17+,18+,19+,20+/m1/s1

InChIKey: InChIKey=SSCNZSNVLHHQET-BJOXDUDZSA-N

Formula: C20H32O4

Molecular Weight: 336.466442

Exact Mass: 336.23006

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) 49.6
2 (CH) 65.3
3 (CH2) 45.5
4 (C) 41.2
5 (CH) 52.1
6 (CH2) 21.1
7 (CH2) 24.6
8 (C) 135.8
9 (CH) 52.9
10 (C) 38.2
11 (CH2) 34
12 (CH) 87
13 (C) 45
14 (CH) 126.3
15 (CH) 78.5
16 (CH2) 72.7
17 (CH3) 21.7
18 (CH3) 28
19 (CH2) 65.8
20 (CH3) 16.8