(-)-12-Oxocalanolide B

(-)-12-Oxocalanolide B

Common Name: (-)-12-Oxocalanolide B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C22H24O5/c1-6-7-13-10-15(23)26-21-16(13)20-14(8-9-22(4,5)27-20)19-17(21)18(24)11(2)12(3)25-19/h8-12H,6-7H2,1-5H3/t11-,12-/m0/s1

InChIKey: InChIKey=HQVBDUZROQMWRN-RYUDHWBXSA-N

Formula: C22H24O5

Molecular Weight: 368.423792

Exact Mass: 368.162374

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Galinis, D.L., Fuller, R.W., McKee, T.C., Cardellina, J.H., 2nd, Gulakowski, R.J., McMahon, J.B., Boyd, M.R. J Med Chem (1996) 39, 4507-10

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) 159.6
3 (CH) 112
4 (C) 159
5 (C) 157
6 (C) 104.4
7 (C) 155.9
8 (C) 105.4
9 (C) 155.4
10 (C) 103.5
1' (CH2) 38.7
2' (CH2) 23.1
3' (CH3) 13.9
6a (CH) 115.8
6b (CH) 126.9
6c (C) 79.2
6d (CH3) 28.3
6e (CH3) 27.9
8a (C) 189.9
8b (CH) 47.2
8c (CH) 79.5
8d (CH3) 10.4
8e (CH3) 19.6