17-Hydroxy-18,19-isopropylidenedioxy-ent-labd-13-en-16,15-olactone

17-Hydroxy-18,19-isopropylidenedioxy-ent-labd-13-en-16,15-olactone

Common Name: 17-Hydroxy-18,19-isopropylidenedioxy-ent-labd-13-en-16,15-olactone

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C23H36O5/c1-21(2)27-14-23(15-28-21)11-4-10-22(3)18(17(13-24)6-8-19(22)23)7-5-16-9-12-26-20(16)25/h9,17-19,24H,4-8,10-15H2,1-3H3/t17-,18-,19+,22+/m1/s1

InChIKey: InChIKey=UWXCOEBXSVAPSD-IWQHBPENSA-N

Formula: C23H36O5

Molecular Weight: 392.529817

Exact Mass: 392.256274

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Joshi, B.S., Hegde, V.R., Kamat, V.N. Phytochemistry (1996) 42, 761-6

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) 38.3
2 (CH2) 17.6
3 (CH2) 33.3
4 (C) 38.2
5 (CH) 53.2
6 (CH2) 26.9
7 (CH2) 30.6
8 (CH) 51
9 (CH) 41.4
10 (C) 38
11 (CH2) 21.5
12 (CH2) 27
13 (C) 134.4
14 (CH) 144.4
15 (CH2) 70.8
16 (C) 174
17 (CH2) 65.6
18 (CH2) 62
19 (CH2) 70.1
20 (CH3) 14
21 (C) 98.6
22 (CH3) 21.6
23 (CH3) 25.9