69640-78-4

69640-78-4

Common Name: 69640-78-4

Synonyms: 69640-78-4

CAS Registry Number:

InChI: InChI=1S/C21H20O4/c1-21(2)10-9-14-17(25-21)12-18(23-3)19-15(22)11-16(24-20(14)19)13-7-5-4-6-8-13/h4-10,12,16H,11H2,1-3H3/t16-/m0/s1

InChIKey: InChIKey=ITOTUSMHIQFNHJ-INIZCTEOSA-N

Formula: C21H20O4

Molecular Weight: 336.381889

Exact Mass: 336.136159

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Andrei, C.C., Ferreira, D.T., Faccione, M., de Moraes, L.A., de Carvalho, M.G., Braz-Filho, R. Phytochemistry (2000) 55, 799-804

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavanones; 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 (CH) 78.84
3 (CH2) 45.52
4 (C) 189.1
5 (C) 162.05
6 (CH) 93.7
7 (C) 159.93
8 (C) 102.8
9 (C) 158.71
10 (C) 105.59
1' (C) 138.88
2' (CH) 125.85
3' (CH) 128.63
4' (CH) 128.42
5' (CH) 128.63
6' (CH) 125.85
2'' (C) 77.9
3'' (CH) 126.24
4'' (CH) 115.93
5'' (CH3) 28.11
6'' (CH3) 28.42
5a (CH3) 56.07