Reaktion #6104

ord-3e2d878ec29b4bfc9297a97ac3acc1b2

Reaktionsgleichung

O=[N+]([O-])c1ccccc1S
2-nitrobenzenethiol
CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@@H](Br)SC[C@H]1OC(C)=O
2,3,4-tri-O-acetyl-5-thio-α-D-xylopyranosyl bromide
→
CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](Sc2ccccc2[N+](=O)[O-])SC[C@H]1OC(C)=O
expected product
Ausbeute 58.5%
CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@H](Sc2ccccc2[N+](=O)[O-])SC[C@H]1OC(C)=O
2-nitrophenyl 2,3,4-tri-O-acetyl-1,5-dithio-β-D-xylopyranoside
Ausbeute 58.5%

Edukte

—
IV
O=[N+]([O-])c1ccccc1S
2-nitrobenzenethiol
CC(=O)O[C@@H]1[C@@H](OC(C)=O)[C@@H](Br)SC[C@H]1OC(C)=O
2,3,4-tri-O-acetyl-5-thio-α-D-xylopyranosyl bromide

Reagenzien

[O-2].[Zn+2]
zinc oxide

Reaktionsbedingungen

Detaillierte Bedingungen
See reaction.notes.procedure_details.

Vorschrift

If the procedure described in Preparation IV is followed starting from 6.1 g (39.3.10-3 mol) of 2-nitrobenzenethiol, 15.40 g (43.3.10-3 mol) of 2,3,4-tri-O-acetyl-5-thio-α-D-xylopyranosyl bromide and 3.68 g (45.2.10-3 mol) of zinc oxide (ZnO), 9.87 g (yield: 58%) of the expected product are obtained.

Quelle

DOI: 10.6084/m9.figshare.5104873.v1Patent: US05246961uspto-grants-1993_09