HuagongsheHuagongshe Chemistry Print Report · For research reference only
2,3,4-tri-O-acetyl-5-thio-alpha-xylopyranosyl bromide → 2,4-dicyanophenyl 2,3,4-tri-O-acetyl-1,5-dithio-beta-D-xylopyranoside
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | 2,3,4-tri-O-acetyl-5-thio-alpha-xylopyranosyl bromide | HCID 10926314 | — |
| Reactant | 4-Sulfanylbenzene-1,3-dicarbonitrile | HCID 14795336 | — |
| Catalyst | Zinc Oxide | HCID 3007857 | — |
| Product | 2,4-dicyanophenyl 2,3,4-tri-O-acetyl-1,5-dithio-beta-D-xylopyranoside | HCID 14795363 | 47.9% |
Reaction Steps
If the procedure described in Preparation IV is followed starting from 1.6 g (9.73.10-3 mol) of 3-cyano-4-mercaptobenzonitrile, 4.07 g (11.45.10-3 mol) of 2,3,4-tri-O-acetyl-5-thio-α-D-xylopyranosyl bromide and 0.84 g (10.10-3 mol) of zinc oxide (ZnO), 2.08 g (yield: 47%) of the expected product are obtained.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05101048 |
| Source dataset | uspto-grants-1992_03 |
| ORD ID | ord-710a2a9a8a64485ebc1480f5bbae1516 |
| Source note | uspto-grants-1992_03 |