Isodispar B

Isodispar B

Common Name: Isodispar B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C20H18O5/c1-11(2)8-14(21)19-16(23)10-15(22)18-13(9-17(24)25-20(18)19)12-6-4-3-5-7-12/h3-7,9-11,22-23H,8H2,1-2H3

InChIKey: InChIKey=GKEWZBRIASMMCY-UHFFFAOYSA-N

Formula: C20H18O5

Molecular Weight: 338.354676

Exact Mass: 338.115424

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Guilet D., Seraphin D., Rondeau D., Richomme P., Bruneton J. Phytochemistry (2001) 58, 571-5

Species:

Notes: Family : Flavonoids, Type : Neoflavonoids; 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
2 (C) 158.5
3 (CH) 111.7
4 (C) 154
5 (C) 159.6
6 (CH) 101.4
7 (C) 168.8
8 (C) 104.9
9 (C) 155.7
10 (C) 100.8
1' (C) 136.3
2' (CH) 127.4
3' (CH) 129.6
4' (CH) 130.4
5' (CH) 129.6
6' (CH) 127.4
8a (C) 205.8
8b (CH2) 53.5
8c (CH) 25.5
8d (CH3) 22.6
8ca (CH3) 22.6