4α-Carboxy-1α,13α-dihydroxy-7-oxo-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone

4α-Carboxy-1α,13α-dihydroxy-7-oxo-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone

Common Name: 4α-Carboxy-1α,13α-dihydroxy-7-oxo-13,16-seco-ent-19-norbeyeran-16-oic acid 13,16-lactone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H28O6/c1-17-6-4-11-19(3)12(18(2,16(24)25)7-5-13(19)21)8-14(22)20(11,10-17)9-15(23)26-17/h11-13,21H,4-10H2,1-3H3,(H,24,25)/t11-,12+,13-,17-,18+,19-,20+/m0/s1

InChIKey: InChIKey=LDMWZDOMQWWDDE-COWUMHHMSA-N

Formula: C20H28O6

Molecular Weight: 364.433489

Exact Mass: 364.188589

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 (CH) 79.4
2 (CH2) 29.6
3 (CH2) 35.5
4 (C) 42.7
5 (CH) 53.4
6 (CH2) 37.8
7 (C) 211.7
8 (C) 47.9
9 (CH) 56.5
10 (C) 43.2
11 (CH2) 20.6
12 (CH2) 37.7
13 (C) 80.2
14 (CH2) 38.8
15 (CH2) 34.5
16 (C) 170.1
17 (CH3) 27.9
18 (CH3) 28.4
19 (C) 178.6
20 (CH3) 9.2