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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 46809Generated: October 25, 2026

Benzamide, 2-(hydroxyphenylmethyl)-N-methyl- → 3-Phenylphthalide

https://huagongshe.com/reaction/46809

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzamide, 2-(hydroxyphenylmethyl)-N-methyl-HCID 12241019—
Solvent1,2-DichlorobenzeneHCID 7239—
Product3-PhenylphthalideHCID 95365—

Reaction Steps

A mixture of 76.5 g. of α-hydroxy-N-methyl-α-phenyl-o-toluamide and (0.314 mole) 150 ml. o-dichlorobenzene is heated at reflux for 18 hours. The mixture is cooled and filtered and the resulting solid triturated with cold ether to give 3-phenyl phthalide.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04175191
Source datasetuspto-grants-1979_11
ORD IDord-4b3c7438c38d418da5e52322298dbec5
Source noteuspto-grants-1979_11