4α,7β,9α,10β,15-pentaacetoxy-2α,20β-epoxy-11(15→1)abeotax-11-ene-5α,13α-diol

4α,7β,9α,10β,15-pentaacetoxy-2α,20β-epoxy-11(15→1)abeotax-11-ene-5α,13α-diol

Common Name: 4α,7β,9α,10β,15-pentaacetoxy-2α,20β-epoxy-11(15→1)abeotax-11-ene-5α,13α-diol

Synonyms:

CAS Registry Number:

InChI: InChI=1S/C30H42O13/c1-13-19(36)11-29(27(7,8)42-17(5)34)22(13)23(40-15(3)32)25(41-16(4)33)28(9)21(39-14(2)31)10-20(37)30(43-18(6)35)12-38-26(29)24(28)30/h19-21,23-26,36-37H,10-12H2,1-9H3/t19-,20-,21?,23?,24-,25?,26-,28+,29-,30?/m0/s1

InChIKey: WGPGNCGTNXJIRV-ZFBMRHFGSA-N

Formula: C30H42O13

Molecular Weight: 610.648

Exact Mass: 610.2625

NMR Solvent: CDCl3

MHz: 500 MHz (H), 125 MHz (C)

Calibration: residual solvent signals

NMR references: Zhang, M. L.

Zhang, J.

Dong, M.

Feng, S. H.

Huo, C. H.

Sauriol, F.

Shi, Q. W.

Gu, Y. C.

Kiyota, H.

Cong, B. Z. Naturforsch. 2009, 64C, 43.

Species: Needles of T. canadensis collected in September, 1997 from St.-Jean, Quebec, Canada

Notes: structure data identified in taxus

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 4.82 d 7.9
3 2.412 dd 7.9, 1.5
5 4.27 br.ddd 11, 7.6, 1.4
2.01 m 30.1
1.82 m
7 4.89 dd 12.8, 4.8
9 4.83 d 3.6
10 5.97 d 3.6
13 4.68 br.t 7.2
14α 1.92 dd 14, 5.9
14β 2.49 dd 14.4, 6.7
16 1.47 s
17 1.65 s
18 1.82 s
19 1.39 s
20α 4.37 d 11.5
20β 3.65 d 11.5
OAc 2.14 s
2.05 s
1.99 s
1.99 s
2 s

Carbon NMR Peaks

Position PPM
1 64.1
2 79.5
3 50.1
4 94
5 71.5
6 30.1
7 69.6
8 42.7
9 73.7
10 69.8
11 132.1
12 149.2
13 78.2
14 38.3
15 87.1
16 24.3
17 23.5
18 12.6
19 14.5
20 72.4
OAc 22.1
20.7
20.9
23.3
21.1