Macrocalyxin B

Macrocalyxin  B

Common Name: Macrocalyxin B

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H28O6/c1-11-12-8-20(26-3)17-19(10-27-20)6-4-5-18(2,9-22)13(19)7-14(23)21(17,15(11)24)16(12)25/h9,12-14,16-17,23,25H,1,4-8,10H2,2-3H3/t12-,13+,14+,16?,17+,18+,19-,20+,21+/m0/s1

InChIKey: InChIKey=WGCKEVDKYAWWFQ-AZGWUIPDSA-N

Formula: C21H28O6

Molecular Weight: 376.444225

Exact Mass: 376.188589

NMR Solvent: C5D5N

MHz:

Calibration:

NMR references: 13C - Wang, X.R., Wang, H.P., Hu, H.P., Sun, H.D., Wang, S.Q., Ueda, S., Kuroda, Y., Fujita, T. Phytochemistry (1995) 38, 921-6

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) 38.1
2 (CH2) 18.5
3 (CH2) 31.5
4 (C) 50.5
5 (CH) 43.5
6 (CH2) 31.2
7 (CH) 73.7
8 (C) 57.4
9 (CH) 61.5
10 (C) 48.6
11 (C) 106.3
12 (CH2) 40.5
13 (CH) 44.5
14 (CH) 73.5
15 (C) 207.6
16 (C) 152.3
17 (CH2) 117.4
18 (CH) 205.1
19 (CH3) 13.6
20 (CH2) 69.5
11a (CH3) 47.3