Sarcandrone C

Sarcandrone C

Common Name: Sarcandrone C

Synonyms: (2S,4S)-7,7'-Dihydroxy-5,5',8-trimethoxy-2,2'-diphenyl-2',3,3',4-tetrahydro-2H,4'H-4,8'-bichromen-4'-one

CAS Registry Number: 1345455-67-5

InChI:

InChIKey:

Formula: C33H30O8

Molecular Weight: 554.595

Exact Mass: 554.1941

NMR Solvent: CDCl3

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

Calibration: residual solvent signal for CDCl3 (δH 7.26, δC 77.0)

NMR references: Cao, C., Xu, L., Peng, Y., Shi, Q., Xiao, P. (2010). Two New Flavan-Flavanones from Sarcandra hainanensis. Chem. Pharm. Bull. 58, 1395-1398.

Species: Sarcandra hainanensis- Cao, C., Xu, L., Peng, Y., Shi, Q., Xiao, P. (2010). Two New Flavan-Flavanones from Sarcandra hainanensis. Chem. Pharm. Bull. 58, 1395-1398.

Notes: * ppm 7.41-7.30

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.09 dd 11, 2
3 2.32 dt 14, 2
3 2.07 ddd 14, 11, 5.5
4 4.67 dd 5.5, 2
6 6.2 s
2', 6' 7.41 m
2'' 5.49 dd 13, 3.5
3'' 2.91 m
6'' 6.03 s
2''', 6''' 7.41 m
5-OCH3 3.64 s
8-OCH3 3.86 s
5-OCH3 3.87 s

Carbon NMR Peaks

Position PPM
2 75.8
3 37.3
4 27.4
5 154.7
6 91.3
7 149.8
8 129.3
9 148.9
10 100.8
1' 140.8
2', 6' 126.1
3', 5' 128.5
4' 128
2'' 79.1
3'' 45.9
4'' 189.7
5'' 160.5
6'' 94.5
7'' 162.4
8'' 109.9
9'' 161.5
10'' 106.3
1''' 139.2
2''', 6''' 125.5
3''', 5''' 128.7
4''' 128.3
5-OCH3 56.1
8-OCH3 61.4
5-OCH3 56