4H-Naphtho(2,3-b)pyran-4-one, 2-phenyl-

4H-Naphtho(2,3-b)pyran-4-one, 2-phenyl-

Common Name: 4H-Naphtho(2,3-b)pyran-4-one, 2-phenyl-

Synonyms: 4H-Naphtho(2,3-b)pyran-4-one, 2-phenyl-

CAS Registry Number:

InChI: InChI=1S/C19H12O2/c20-17-12-18(13-6-2-1-3-7-13)21-19-11-15-9-5-4-8-14(15)10-16(17)19/h1-12H

InChIKey: InChIKey=KUHLNOSGIHMGFS-UHFFFAOYSA-N

Formula: C19H12O2

Molecular Weight: 272.298081

Exact Mass: 272.08373

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - P.J. Nathan, R.L. Santillan Spectrochem (1984) 40, 1077

Species:

Notes: Family : Flavonoids, Type : Flavonoids, Group : Flavones; 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) 163.5
3 (CH) 105.6
4 (C) 178.6
5 (CH) 129.3
6 (C) 130
7 (C) 135.6
8 (CH) 114
9 (C) 152
10 (C) 122.4
1' (C) 121.5
2' (CH) 128.8
3' (CH) 131.5
4' (CH) 128
5' (CH) 131.5
6' (CH) 128.8
6a (CH) 128.4
6b (CH) 125.7
6c (CH) 126.3
6d (CH) 126.9