Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 971430Generated: October 30, 2026

Methanol → 5-(Trifluoromethyl)oxindole

https://huagongshe.com/reaction/971430

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethanolHCID 887—
ReactantHCID 20289277HCID 20289277—
CatalystNickelHCID 935—
SolventDichloromethaneHCID 6344—
Product5-(Trifluoromethyl)oxindoleHCID 3734457—

Reaction Steps

A mixture of 4.0 g. of 5-trifluoromethyl-3-methylthio-oxindole, 20 g. of Raney Nickel and 100 ml. of methanol is refluxed for 4 days, cooled, treated with methylene chloride, filtered to remove the Raney Nickel and the filtrate concentrated in vacuo to obtain 5-trifluoromethyl-oxindole, m.p. 188°-190° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04160032
Source datasetuspto-grants-1979_07
ORD IDord-53874bba8b77431c8985de867ba5b9ed
Source noteuspto-grants-1979_07