Crotonkinin B

Crotonkinin B

Common Name: Crotonkinin B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C22H32O4/c1-14(25)26-19-16-5-6-18-21(3)9-4-8-20(2,13-24)17(21)7-10-22(18,19)11-15(16)12-23/h11-12,16-19,24H,4-10,13H2,1-3H3/t16-,17+,18-,19+,20+,21+,22-/m1/s1

InChIKey: InChIKey=JJNDASAEWOQLIM-MVSFUWRLSA-N

Formula: C22H32O4

Molecular Weight: 360.487914

Exact Mass: 360.23006

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Kuo, P.C., Shen, Y.C., Yang, M.L., Wang, S.H., Thang, T.D., Dung, N.X., Chiang, P.C., Lee, K.H., Lee, E.J., Wu, T.S. J Nat Prod (2007) 70, 1906-9

Species:

Notes: Family : Terpenoids, Type : Diterpenoids, Group : Kauranes; 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 (CH2) 39.1
2 (CH2) 17.7
3 (CH2) 35.1
4 (C) 37.3
5 (CH) 48.4
6 (CH2) 18.3
7 (CH2) 42.3
8 (C) 49.4
9 (CH) 55.3
10 (C) 38.8
11 (CH2) 34.5
12 (CH2) 37.6
13 (CH) 36.1
14 (CH) 68.5
15 (CH) 162.5
16 (C) 150.7
17 (CH) 189.2
18 (CH2) 71.8
19 (CH3) 17.5
20 (CH3) 18.1
14a (C) 169.3
14b (CH3) 21.4