7-Xylosyltaxol

7-Xylosyltaxol

Common Name: 7-Xylosyltaxol

Synonyms: 7-(β-Xylosyl)taxol

CAS Registry Number: 90332-66-4

InChI: InChI=1S/C52H59NO18/c1-26-33(68-47(63)39(58)37(29-16-10-7-11-17-29)53-45(61)30-18-12-8-13-19-30)23-52(64)44(70-46(62)31-20-14-9-15-21-31)42-50(6,43(60)41(67-27(2)54)36(26)49(52,4)5)34(22-35-51(42,25-66-35)71-28(3)55)69-48-40(59)38(57)32(56)24-65-48/h7-21,32-35,37-42,44,48,56-59,64H,22-25H2,1-6H3,(H,53,61)/t32-,33+,34+,35-,37+,38+,39-,40-,41-,42+,44+,48+,50-,51+,52-/m1/s1

InChIKey: InChIKey=ZVEGOBHUZTXSFK-TZIKQHFSSA-N

Formula: C52H59N1O18

Molecular Weight: 986.02

Exact Mass: 985.3732

NMR Solvent: CDCl3: DMSO 4:1

MHz: 400.0

Calibration: TMS

NMR references: Sénilh, V., Blechert, S., Colin, M., Guénard, D., Picot, F., Potier, P., and Varenne, P. (1984). Mise en Évidence de Nouveaux Analogues du Taxol Extraits de Taxus baccata. J. Nat. Prod. 47, 131–137.

Species: Taxus

Notes: Reference article in French language, no 13C NMR found. Positions with '' refer to protons on xylosyl side chain. See literature for further details.

Proton NMR Peaks

Position PPM Peak Type J (Hz)
2 5.7 d 7
3 3.84 d 7
5 4.94 dd 9, 2
6 2.1 m
6 2.69 m
7 4.22 m
10 6.4 s
13 6.18 t 9
14 2.23 m
16 1.19 s
17 1.19 s
18 1.86 s
19 1.75 s
20 4.2 d 9
20 4.3 d 9
OAc 2.22
OAc 2.42
2' 4.78 d 3
3' 5.8 dd 7.5, 3
3'Ph 7.41
NH 7.35 d
1'' 4.3 d 7
2'' 3.3 m
3'' 3.5 t 8
4'' 3.6 m
5'' 3.28 m
5'' 3.9 m