5-Methoxy-2,2-dimethyl-7-[2-(4-hydroxyphenyl)ethenyl]-2H-1-benzopyran

5-Methoxy-2,2-dimethyl-7-[2-(4-hydroxyphenyl)ethenyl]-2H-1-benzopyran

Common Name: 5-Methoxy-2,2-dimethyl-7-[2-(4-hydroxyphenyl)ethenyl]-2H-1-benzopyran

Synonyms: 5-Methoxy-2,2-dimethyl-7-[2-(4-hydroxyphenyl)ethenyl]-2H-1-benzopyran

CAS Registry Number:

InChI: InChI=1S/C20H20O3/c1-20(2)11-10-17-18(22-3)12-15(13-19(17)23-20)5-4-14-6-8-16(21)9-7-14/h4-13,21H,1-3H3/b5-4+

InChIKey: InChIKey=FQMHTDGEFUNXNZ-SNAWJCMRSA-N

Formula: C20H20O3

Molecular Weight: 308.371748

Exact Mass: 308.141245

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Fang, N., Casida, J.E. J Nat Prod (1999) 62, 205-10

Species:

Notes: Family : Aromatics, Type : Stilbenes, Group : Stilbenes; 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 (C) 138.7
2 (CH) 127.9
3 (CH) 115.7
4 (C) 155.3
5 (CH) 115.7
6 (CH) 127.9
α (CH) 126.6
β (CH) 128.3
1' (C) 130.1
2' (CH) 107.3
3' (C) 153.6
4' (C) 110.2
5' (C) 155.4
6' (CH) 101.7
2'' (C) 76.1
3'' (CH) 128.7
4'' (CH) 116.8
5'' (CH3) 27.7
6'' (CH3) 27.7
5'a (CH3) 55.6