Cochinchinenin D

Cochinchinenin D

Common Name: Cochinchinenin D

Synonyms: (+)-8-Methyl-3'-methoxysocotrin-4'-ol

CAS Registry Number: 1391997-57-1

InChI:

InChIKey:

Formula: C33H34O7

Molecular Weight: 542.628

Exact Mass: 542.2305

NMR Solvent: CD3OD

MHz: 400 (1H), 100 (13C)

Calibration: TMS

NMR references: Dai, H., Wang, H., Liu, J., Wu, J., Mei, W. (2012). Two New Biflavonoids From The Stem of Dracaena cambodiana. Chem. Nat. Compd. 48, 376-378.

Species: Dracaena cambodiana - Dai, H., Wang, H., Liu, J., Wu, J., Mei, W. (2012). Two New Biflavonoids From The Stem of Dracaena cambodiana. Chem. Nat. Compd. 48, 376-378.

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
3 2.1
3 1.88 m
4 2.84 m
4 2.63 m
5 6.73 s
2' 6.99 d 2
5' 6.78 d 8.1
6' 6.84 overlap
α 2.12 overlap
β 2.44 t 7.8
γ 4.23 t 7.8
3" 6.36 d 2.3
5" 6.27 dd 8.1, 2.3
6" 6.81 overlap
2''', 6''' 7.09 d 8.4
3''', 5''' 6.67 d 8.4
8-OCH3 2.06 s
2"-OCH3 3.72 s
3'-OCH3 3.82 s

Carbon NMR Peaks

Position PPM
2 78.8
3 31.5
4 26.1
5 126
6 126.7
7 152.1
8 113.5
9 152.7
10 114.5
1' 135.6
2' 110.8
3' 148.9
4' 147
5' 116
6' 119.7
α 37.4
β 29.6
γ 43.7
1" 123.3
2" 159.7
3" 99.8
4" 157.6
5" 107.6
6" 131.1
1''' 138.3
2''', 6''' 130.1
3''', 5''' 115.8
4''' 156.1
8-OCH3 9.1
2"-OCH3 55.7
3'-OCH3 56.4