4′,4‴,7,7″-tetra-O-methylcupressuflavone

4′,4‴,7,7″-tetra-O-methylcupressuflavone

Common Name: 4′,4‴,7,7″-tetra-O-methylcupressuflavone

Synonyms: 5,5'-dihydroxy-7,7'-dimethoxy-2,2'-bis(4-methoxyphenyl)-4H,4'H-[8,8'-bichromene]-4,4'-dione

CAS Registry Number: 21044-82-6

InChI:

InChIKey:

Formula: C34H26O10

Molecular Weight: 594.572

Exact Mass: 594.1526

NMR Solvent: CDCl3

MHz: 500 (1H), 125 (13C)

Calibration: not indicated

NMR references: DeForest, J., Du, L., Joyner, P. (2014). 4',4''',7,7''-Tetra-O-methylcupressuflavone Inhibits Seed Germination of Lactuca sativa. J. Nat. Prod. 77, 1093-1096.

Species: Araucaria columnaris - DeForest, J., Du, L., Joyner, P. (2014). 4',4''',7,7''-Tetra-O-methylcupressuflavone Inhibits Seed Germination of Lactuca sativa. J. Nat. Prod. 77, 1093-1096.

Notes: no peak assignments given

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3.81 s
3.83 s
6.62 s
6.88 d 9
7.44 d 9

Carbon NMR Peaks

Position PPM
55.5
56.2
95.3
99.4
103.4
105.2
114.5
123.1
127.6
154.6
162.55
162.6
163.3
164
182.8