2-​Deacetyl-​5-​decinnamoyltaxinine E

2-​Deacetyl-​5-​decinnamoyltaxinine E

Common Name: 2-​Deacetyl-​5-​decinnamoyltaxinine E

Synonyms: 2-​Deacetyldecinnamoylt​axinine E

CAS Registry Number: 161956-26-9

InChI: InChI=1S/C26H38O8/c1-12-18(30)9-10-26(8)20(12)22(31)17-11-19(32-14(3)27)13(2)21(25(17,6)7)23(33-15(4)28)24(26)34-16(5)29/h17-20,22-24,30-31H,1,9-11H2,2-8H3/t17-,18-,19-,20-,22+,23+,24-,26+/m0/s1

InChIKey: InChIKey=JTBBGPIYDSKLLQ-FECRNSTJSA-N

Formula: C26H38O8

Molecular Weight: 478.58

Exact Mass: 478.2567

NMR Solvent: CDCl3

MHz: 300.0

Calibration: TMS

NMR references: Barboni, L., Gariboldi, P., Appendino, G., Enriù, R., Gabetta, B., and Bombardelli, E. (1995). New taxoids from Taxus baccata L. Liebigs Annalen 1995, 345–349.

Species: Taxus

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
1 1.95 dd 8.6, 2.1
4.19 dd 6.2, 2.1
3.39 d 6.2
5 4.28 t 3
1.8 m
1.59 m
1.89 m
1.6 m
9 5.71 d 10.4
10 6.05 d 10.4
13 5.76 ddq 10.4, 5, 1.3
14α 1.4 dd 15.7, 5
14β 2.65 ddd 15.7, 10.4, 8.6
16 1.63 s
17 1.04 s
18 2.11 d 1.3
19 0.88 s
20A 5.3 d 1.6
20B 5.39 t 1.6
Ac 2.08 s
Ac 2.04 s
Ac 2 s

Carbon NMR Peaks

Position PPM
1 50.9
2 69.6
3 43.4
4 148.2
5 76.7
6 30.7
7 26.7
8 44.9
9 76.8
10 72.7
11 133.9
12 137.4
13 69.8
14 28.3
15 36.9
16 26.1
17 32.5
18 15.8
19 17.4
20 116.1
CH3CO 21
CH3CO 20.9
CH3CO 20.8
CH3CO 170.3
CH3CO 170
CH3CO 169.8