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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1905816Generated: October 25, 2026

5-(p-Methoxybenzylidene)-hydantoin → 5-(4-Methoxy-benzyl)-hydantoin

https://huagongshe.com/reaction/1905816

Reaction equation

Participants

RoleNameHCIDCharge
Reactant5-(p-Methoxybenzylidene)-hydantoinHCID 94749—
CatalystNickelHCID 935—
SolventSodium HydroxideHCID 14798—
Product5-(4-Methoxy-benzyl)-hydantoinHCID 9572782%

Reaction Steps

218.2 g (1 mole) of 5-(4-methoxy-benzylidene)-hydantoin are dissolved in 2 l of a N sodium hydroxide solution and 50 g of wet Raney-nickel are added. The reaction mixture is worked up according to Example 6. Thus 180.6 g of the desired compound are obtained, yield 82 %. Mp.: 174° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04647694
Source datasetuspto-grants-1987_03
ORD IDord-3bdb2291c15f4aa781b7fd3ae40a6099
Source noteuspto-grants-1987_03