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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1836494Generated: October 31, 2026

2,4-Difluorobenzaldehyde → HCID 73855574, compound

https://huagongshe.com/reaction/1836494

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2,4-DifluorobenzaldehydeHCID 73770—
ReactantO-Methylhydroxylamine hydrochlorideHCID 521874—
ProductHCID 73855574HCID 7385557480%

Reaction Steps

Reaction of 2,4-difluorobenzaldehyde with methoxylamine hydrochloride as described in the preparation of compound 3-A gave the title oxime ether as a clear oil (80% yield). 1HNMR indicated a 95:5 mixture of E- and Z-isomers. 1HNMR 400 MHz (CDCl3) δ (ppm): (E-isomer) 3.98 (3H, s, OCH3), 6.79-6.91 (2H, m, aromatics), 7.79-7.85 (1H, m, aromatic), 8.24 (1H, s, CH).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06777440B2
Source datasetuspto-grants-2004_08
ORD IDord-fdeed6b2d2514817869f6e7d5e4a165b
Source noteuspto-grants-2004_08