8-Hydroxy-5-methyl-7-(3-methyl-but-2-enyl)-9-(2-methyl-1-oxobutyl)-4,5-dihydropyrano[4,3,2-de]chromen-2-one

8-Hydroxy-5-methyl-7-(3-methyl-but-2-enyl)-9-(2-methyl-1-oxobutyl)-4,5-dihydropyrano[4,3,2-de]chromen-2-one

Common Name: 8-Hydroxy-5-methyl-7-(3-methyl-but-2-enyl)-9-(2-methyl-1-oxobutyl)-4,5-dihydropyrano[4,3,2-de]chromen-2-one

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C22H26O5/c1-6-12(4)19(24)18-20(25)15(8-7-11(2)3)21-17-14(9-13(5)26-21)10-16(23)27-22(17)18/h7,10,12-13,25H,6,8-9H2,1-5H3/t12-,13?/m0/s1

InChIKey: InChIKey=DJCPAKRYTYQGOM-UEWDXFNNSA-N

Formula: C22H26O5

Molecular Weight: 370.439674

Exact Mass: 370.178024

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Prachyawarakorn, V., Mahidol, C., Ruchirawat, S. Phytochemistry (2006) 67, 924-8

Species:

Notes: Family : Chromans, Type : Coumarins, Group : 4-Propylcoumarins; 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
2 (C) 159.7
3 (CH) 105.8
4 (C) 149.2
5 (C) 156.6
6 (C) 113.2
7 (C) 167.6
8 (C) 103.6
9 (C) 154.3
10 (C) 99.6
1' (CH2) 35
2' (CH) 72.6
3' (CH3) 20.7
6a (CH2) 21.4
6b (CH) 121.3
6c (C) 132.3
6d (CH3) 25.8
6ca (CH3) 17.8
8a (C) 210.1
8b (CH) 46.7
8c (CH2) 27
8d (CH3) 11.8
8ba (CH3) 16.44