4R-Carboxy-13R-hydroxy-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone

4R-Carboxy-13R-hydroxy-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone

Common Name: 4R-Carboxy-13R-hydroxy-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H30O4/c1-17-9-5-14-18(2)7-4-8-19(3,16(22)23)13(18)6-10-20(14,12-17)11-15(21)24-17/h13-14H,4-12H2,1-3H3,(H,22,23)/t13-,14-,17-,18+,19+,20-/m0/s1

InChIKey: InChIKey=OLJRAFPOAGIZKX-XGBBNYNSSA-N

Formula: C20H30O4

Molecular Weight: 334.45056

Exact Mass: 334.214409

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Chou, B.H., Yang, L.M., Chang, S.F., Hsu, F.L., Lo, C.H., Liaw, J.H., Liu, P.C., Lin, S.J. J Nat Prod (2008) 71, 602-7

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Beyeranes; 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) 40.1
2 (CH2) 19.5
3 (CH2) 38.5
4 (C) 43.8
5 (CH) 57.1
6 (CH2) 20.2
7 (CH2) 43.6
8 (C) 35.1
9 (CH) 55.6
10 (C) 38.1
11 (CH2) 18.8
12 (CH2) 38.7
13 (C) 79.8
14 (CH2) 47.5
15 (CH2) 39.1
16 (C) 171.8
17 (CH3) 28.4
18 (CH3) 29.2
19 (C) 179.7
20 (CH3) 13.8