Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1836522Generated: November 2, 2026

4-(Trifluoromethyl)benzaldehyde → 4-Trifluoromethyl-benzaldehyde o-methyloxime

https://huagongshe.com/reaction/1836522

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-(Trifluoromethyl)benzaldehydeHCID 67996—
ReactantO-Methylhydroxylamine hydrochlorideHCID 521874—
Product4-Trifluoromethyl-benzaldehyde o-methyloximeHCID 74057330100%

Reaction Steps

Reaction of 4-trifluoromethylbenzaldehyde with methoxylamine hydrochloride as described in the preparation of compound 3-A gave the title oxime ether as a clear oil (100% yield). 1HNMR indicated a 9:1 mixture of E- and Z-isomers. 1HNMR 400 MHz (CDCl3) δ (ppm): (E-isomer) 4.00 (3H, s, OCH3), 7.62 (2H, m, aromatics), 7.69 (2H, m, aromatics), 8.08 (1H, s, CH).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06777440B2
Source datasetuspto-grants-2004_08
ORD IDord-cab013eb2f3f437f98ffaf06c1a35bb6
Source noteuspto-grants-2004_08