HuagongsheHuagongshe Chemistry Print Report · For research reference only
Acetic Anhydride → HCID 5270584, compound
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Acetic Anhydride | HCID 7918 | — |
| Reactant | HCID 9629036 | HCID 9629036 | — |
| Reactant | 2,3-Dihydro-1,3,4-oxadiazole | HCID 19831876 | — |
| Product | HCID 5270584 | HCID 5270584 | 31% |
Reaction Steps
The title compound was prepared from the isonicotinoylhydrazone of 2,6-difluorobenzaldehyde and acetic anhydride, using the General Structural Outline for Oxadiazoline Synthesis in 31% yield, mp 119-121° C.; IR ν 1673, 1624, 1594, 1554, 1334, 1312, 1295, 1209, 1092, 1062, 1008, 988, 974, 886, 825, 790, 730, 703, 663, 632 cm−1; NMR (300 Mhz) δ 8.75 (2H, □□br d, J=6 cps), 7.75 (2H, d, J=6 cps), 7.65-7.15 (4H, m from which emerges singlet at 7.5), 2.2 (3H, s).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US06846933B1 |
| Source dataset | uspto-grants-2005_01 |
| ORD ID | ord-a0176889dc884a24acd31eb3a787c2d5 |
| Source note | uspto-grants-2005_01 |