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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1761262Generated: November 2, 2026

Acetic Anhydride → HCID 5270584, compound

https://huagongshe.com/reaction/1761262

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantHCID 9629036HCID 9629036—
Reactant2,3-Dihydro-1,3,4-oxadiazoleHCID 19831876—
ProductHCID 5270584HCID 527058431%

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

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06846933B1
Source datasetuspto-grants-2005_01
ORD IDord-a0176889dc884a24acd31eb3a787c2d5
Source noteuspto-grants-2005_01