(+)-Tephropurpurin [(+)-5'',5''-dimethyl-4'' α-acetoxytetrahydrofurano(2'',3''-b)-dihydrofurano(4',5'-h)-2'-metoxy-6'-hidroxychalcone]

(+)-Tephropurpurin [(+)-5'',5''-dimethyl-4'' α-acetoxytetrahydrofurano(2'',3''-b)-dihydrofurano(4',5'-h)-2'-metoxy-6'-hidroxychalcone]

Common Name: (+)-Tephropurpurin [(+)-5'',5''-dimethyl-4'' α-acetoxytetrahydrofurano(2'',3''-b)-dihydrofurano(4',5'-h)-2'-metoxy-6'-hidroxychalcone]

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C24H24O7/c1-13(25)29-22-20-19-17(30-23(20)31-24(22,2)3)12-16(28-4)18(21(19)27)15(26)11-10-14-8-6-5-7-9-14/h5-12,20,22-23,27H,1-4H3/b11-10+/t20-,22+,23+/m1/s1

InChIKey: InChIKey=BICKLHZENLKHGI-XHRJEWTHSA-N

Formula: C24H24O7

Molecular Weight: 424.444074

Exact Mass: 424.152203

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Chang, L.C., Gerhauser, C., Song, L., Farnsworth, N.R., Pezzuto, J.M., Kinghorn, A.D. J Nat Prod (1997) 60, 869-73

Species:

Notes: Family : Flavonoids, Type : Chalconoids; 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) 135.5
2 (CH) 128.4
3 (CH) 128.9
4 (CH) 130.1
5 (CH) 128.9
6 (CH) 128.4
α (CH) 127.4
β (CH) 142.4
1' (C) 106.9
2' (C) 164.7
3' (CH) 86.2
4' (C) 165.5
5' (C) 104.6
6' (C) 162.5
β' (C) 193
2'' (CH) 112.7
3'' (CH) 52.3
4'' (CH) 79.8
5'' (C) 87.9
6'' (CH3) 27.4
7'' (CH3) 23.2
2'a (CH3) 56.2
4''a (C) 169.8
4''b (CH3) 20.9