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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 66247Generated: October 30, 2026

4'-Chloro-2-hydroxy-5-methylbenzophenone → 3-(4-Chlorophenyl)-5-methyl-isoindole-1-carboxylic acid ethyl ester

https://huagongshe.com/reaction/66247

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4'-Chloro-2-hydroxy-5-methylbenzophenoneHCID 223485—
Reactant{[2-Acetoxy-5-methyl-alpha-(4-chlorophenyl)benzyliden]-amino}malonic acid diethyl esterHCID 54289668—
ReactantHCID 136388433HCID 136388433—
Product3-(4-Chlorophenyl)-5-methyl-isoindole-1-carboxylic acid ethyl esterHCID 54105506—

Reaction Steps

The starting material, {[2-acetoxy-5-methyl-α-(4-chlorophenyl)benzyliden]-amino}malonic acid diethyl ester (colorless crystals from heptane, melting point 82°-84° C.), can be prepared as described in Example 1 from 4'-chloro-2-hydroxy-5-methyl-benzophenone via 4'-chloro-2-hydroxy-5-methyl-benzophenone imine (orange crystals from ethanol, melting point 134°-136° C.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04130717
Source datasetuspto-grants-1978_12
ORD IDord-89bea5c73d0b49a48ec81de8bf98aca7
Source noteuspto-grants-1978_12