(1S*,4R*,8S*,10R*)-13-Acetyloxy-1,4-epoxy-1,10-dihydroxy-8-isobutyryloxygermacra-5E,7(11)-dien-6,12-olide

(1S*,4R*,8S*,10R*)-13-Acetyloxy-1,4-epoxy-1,10-dihydroxy-8-isobutyryloxygermacra-5E,7(11)-dien-6,12-olide

Common Name: (1S*,4R*,8S*,10R*)-13-Acetyloxy-1,4-epoxy-1,10-dihydroxy-8-isobutyryloxygermacra-5E,7(11)-dien-6,12-olide

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C21H28O9/c1-11(2)17(23)28-15-9-20(5,25)21(26)7-6-19(4,30-21)8-14-16(15)13(18(24)29-14)10-27-12(3)22/h8,11,15,25-26H,6-7,9-10H2,1-5H3/b14-8+/t15-,19+,20+,21-/m0/s1

InChIKey: InChIKey=QCEANJHMJFDZFV-CYDVCVIESA-N

Formula: C21H28O9

Molecular Weight: 424.442439

Exact Mass: 424.173332

NMR Solvent: CDCl3

MHz:

Calibration:

NMR references: 13C - Huo, J., Yang, S.P., Xie, B.J., Liao, S.G., Lin, L.P., Ding, J., Yue, J.M. J Asian Nat Prod Res (2008) 10, 571-5

Species:

Notes: Family : Terpenoids, Type : Sesquiterpenoids, Group : Germacranes; 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) 108.7
2 (CH2) 31.8
3 (CH2) 37.5
4 (C) 82.1
5 (CH) 126.8
6 (C) 150
7 (C) 144
8 (CH) 66.5
9 (CH2) 38.1
10 (C) 78.1
11 (C) 131.2
12 (C) 166.5
13 (CH2) 55.8
14 (CH3) 25.4
15 (CH3) 29.1
8a (C) 175.4
8b (CH) 34.1
8c (CH3) 18.9
8d (CH3) 18.4
13a (C) 170.3
13b (CH3) 20.7