3,5''-dimethoxy-4-hydroxy-6'''',6''''-dimethylpyran[2'''',3'''':3'',4'']stilbene

3,5''-dimethoxy-4-hydroxy-6'''',6''''-dimethylpyran[2'''',3'''':3'',4'']stilbene

Common Name: 3,5''-dimethoxy-4-hydroxy-6'''',6''''-dimethylpyran[2'''',3'''':3'',4'']stilbene

Synonyms: 3,5''-dimethoxy-4-hydroxy-6'''',6''''-dimethylpyran[2'''',3'''':3'',4'']stilbene

CAS Registry Number:

InChI: InChI=1S/C21H22O4/c1-21(2)10-9-16-18(23-3)12-15(13-19(16)25-21)6-5-14-7-8-17(22)20(11-14)24-4/h5-13,22H,1-4H3/b6-5+

InChIKey: InChIKey=AVURBDQHFAMVEO-AATRIKPKSA-N

Formula: C21H22O4

Molecular Weight: 338.39777

Exact Mass: 338.151809

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) 138.6
2 (CH) 108.4
3 (C) 145.7
4 (C) 146.8
5 (CH) 114.6
6 (CH) 120.6
α (CH) 126.7
β (CH) 128.7
1' (C) 130
2' (CH) 107.3
3' (C) 153.9
4' (C) 110.2
5' (C) 155.4
6' (CH) 101.5
2'' (C) 75.9
3'' (CH) 128.7
4'' (CH) 116.8
5'' (CH3) 27.8
6'' (CH3) 27.8
3a (CH3) 55.9
5'a (CH3) 55.6