ent-14b-hydroxy-8(17),12-labdadien-16,15-olide-3b,19-oxide

ent-14b-hydroxy-8(17),12-labdadien-16,15-olide-3b,19-oxide

Common Name: ent-14b-hydroxy-8(17),12-labdadien-16,15-olide-3b,19-oxide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O4/c1-12-4-7-16-19(2,9-8-17-20(16,3)11-24-17)14(12)6-5-13-15(21)10-23-18(13)22/h5,14-17,21H,1,4,6-11H2,2-3H3/b13-5+/t14-,15-,16+,17-,19+,20+/m1/s1

InChIKey: InChIKey=NSMZHQPCABSPEV-OTESTREVSA-N

Formula: C20H28O4

Molecular Weight: 332.434679

Exact Mass: 332.198759

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Jantan, I., Waterman, P.G. Phytochemistry (1994) 37, 1477-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Labdanes; 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) 37.8
2 (CH2) 29.5
3 (CH) 80.4
4 (C) 43.8
5 (CH) 55.9
6 (CH2) 24.9
7 (CH2) 38.7
8 (C) 148.5
9 (CH) 56.9
10 (C) 39.7
11 (CH2) 25.5
12 (CH) 147.6
13 (C) 130.7
14 (CH) 66.5
15 (CH2) 75.9
16 (C) 171.3
17 (CH2) 109.3
18 (CH3) 24.2
19 (CH2) 64.7
20 (CH3) 15.7