Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2372969Generated: October 25, 2026

2,3,4-tri-O-acetyl-5-thio-alpha-xylopyranosyl bromide → 2-cyanophenyl 2,3,4-tri-O-acetyl-1,5-dithio-beta-D-xylopyranoside

https://huagongshe.com/reaction/2372969

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,3,4-tri-O-acetyl-5-thio-alpha-xylopyranosyl bromideHCID 10926314—
Reactant2-MercaptobenzonitrileHCID 11018926—
CatalystZinc OxideHCID 3007857—
Product2-cyanophenyl 2,3,4-tri-O-acetyl-1,5-dithio-beta-D-xylopyranosideHCID 1479534560%

Reaction Steps

If the procedure described in Preparation IV is followed starting from 10.7 g (79.2.10-3 mol) of 2-mercaptobenzonitrile, 30.2 g (85.10-3 mol) of 2,3,4-tri-O-acetyl-5-thio-α-D-xylopyranosyl bromide and 6.3 g (77.4.10-3 mol) of zinc oxide (ZnO), 19.3 g (yield: 60%) of the expected product are obtained after crystallization from ether.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05101048
Source datasetuspto-grants-1992_03
ORD IDord-a38b50e7693245a2b5db69cc217c4ebe
Source noteuspto-grants-1992_03