Kurzichalcolactone B

Kurzichalcolactone B

Common Name: Kurzichalcolactone B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C32H32O7/c33-27(17-16-23-9-3-1-4-10-23)31-28(34)21-26(22-29(31)35)38-30(36)15-7-13-25-14-8-19-32(37,39-25)20-18-24-11-5-2-6-12-24/h1-6,9-12,16-18,20-22,25,34-35,37H,7-8,13-15,19H2/b17-16+,20-18+/t25-,32-/m1/s1

InChIKey: InChIKey=KDRAAPCWSZMKEN-HSSKCSJCSA-N

Formula: C32H32O7

Molecular Weight: 528.593487

Exact Mass: 528.214803

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Dumontet, V., Van Hung, N., Adeline, M.T., Riche, C., Chiaroni, A., Sevenet, T., Gueritte, F. J Nat Prod (2004) 67, 858-62

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) 136.6
2 (CH) 129.6
3 (CH) 130
4 (CH) 130.9
5 (CH) 130
6 (CH) 129.6
α (CH) 128.6
β (CH) 143.1
1' (C) 106.1
2' (C) 163.5
3' (CH) 94.9
4' (C) 164.5
5' (CH) 106.2
6' (C) 161
β' (C) 193.8
1'' (C) 174.7
2'' (CH2) 34.7
3'' (CH2) 23.9
4'' (CH2) 35.9
5'' (CH) 71
6'' (CH2) 36.1
7'' (CH2) 21.9
8'' (CH2) 34.2
9'' (C) 99.4
10'' (CH) 131.4
11'' (CH) 131.2
12'' (C) 137.3
13'' (CH) 127.8
14'' (CH) 129.3
15'' (CH) 129
16'' (CH) 129.3
17'' (CH) 127.8