HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
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
Beteiligte Stoffe
| Rolle | Name | HCID | Einwaage |
|---|---|---|---|
| Edukt | 2,3,4-tri-O-acetyl-5-thio-alpha-xylopyranosyl bromide | HCID 10926314 | — |
| Edukt | 2-Mercaptobenzonitrile | HCID 11018926 | — |
| Katalysator | Zinc Oxide | HCID 3007857 | — |
| Produkt | 2-cyanophenyl 2,3,4-tri-O-acetyl-1,5-dithio-beta-D-xylopyranoside | HCID 14795345 | 60% |
Reaktionsschritte
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.
Herkunft & Nachweise
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patentnummer | US05246961 |
| Quelldatensatz | uspto-grants-1993_09 |
| ORD ID | ord-021666c894ee4cbba7a64470dd7059e7 |
| Quellennotiz | uspto-grants-1993_09 |