Combretastatin B-4

Combretastatin B-4

Common Name: Combretastatin B-4

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C16H18O4/c1-19-13-7-12(8-14(10-13)20-2)4-3-11-5-6-15(17)16(18)9-11/h5-10,17-18H,3-4H2,1-2H3

InChIKey: InChIKey=PBRZRNRAYCSTKB-UHFFFAOYSA-N

Formula: C16H18O4

Molecular Weight: 274.312328

Exact Mass: 274.120509

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Pettit, G.R.ingh.B.chmidt, J.M., Niven, M.L., Hamel, E., Lin, C.M. J Nat Prod (1988) 51, 517-27

Species:

Notes: Family : Aromatics, Type : Stilbenes, Group : Stilbenes; 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) 144.24
2 (CH) 106.73
3 (C) 160.77
4 (CH) 98.1
5 (C) 160.77
6 (CH) 106.73
α (CH2) 38.26
β (CH2) 36.89
1' (C) 135.02
2' (CH) 115.41
3' (C) 141.65
4' (C) 143.48
5' (CH) 115.71
6' (CH) 120.91
3a (CH3) 55.31
5a (CH3) 55.31