7-​Deacetyltaxuspine L

7-​Deacetyltaxuspine L

Common Name: 7-​Deacetyltaxuspine L

Synonyms:

CAS Registry Number: 287474-29-7

InChI: InChI=1S/C30H44O12/c1-13-21(38-14(2)32)10-20-26(40-16(4)34)25-19(12-31)22(39-15(3)33)11-23(37)30(25,9)28(42-18(6)36)27(41-17(5)35)24(13)29(20,7)8/h19-23,25-28,31,37H,10-12H2,1-9H3/t19-,20+,21+,22+,23+,25+,26-,27-,28+,30-/m1/s1

InChIKey: InChIKey=HQFPFWBMIXOLAN-BHGIAHESSA-N

Formula: C30H44O12

Molecular Weight: 596.66

Exact Mass: 596.2833

NMR Solvent: CDCl3

MHz: 500.0

Calibration: Residual solvent 7.25 ppm and 77.0 ppm for proton and carbon respectively.

NMR references: Zhang, J., Sauriol, F., Mamer, O., and Zamir, L.O. (2000). Taxoids from the needles of the Canadian yew. Phytochemistry 54, 221–230.

Species: Taxus

Notes:

Proton NMR Peaks

Position PPM Peak Type J (Hz)
1 1.97 m
2 5.41 d 5.7
3 2.63 m
4 2 m
5 5.11 br s
6a 1.99 m
6b 1.71 m
7 4.16 dd 12.1, 4.6
7-OH 3.47 s
9 5.99 d 10.8
10 6.14 d 10.8
13 5.9 t 8.3
14a 2.6 m
14b 1.46 m
16 1.14 s
17 1.74 s
18 2.11 s
19 0.78 s
20a 3.46 m
20b 3.38 m
OAc 2.2 s
OAc 2.14 s
OAc 2.14 s
OAc 2.1 s
OAc 2 s

Carbon NMR Peaks

Position PPM
1 48
2 71.4
3 38.9
4 46.9
5 71.5
6 31.1
7 70.4
8 45.9
9 78.8
10 71.6
11 133.3
12 137.7
13 70.7
14 28.1
15 37.6
16 32
17 27.2
18 15.4
19 13.8
20 64.7
OAc 22.8
OAc 21.9
OAc 21.3
OAc 168.3
OAc 169.8
OAc 169.8
OAc 168.9