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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 414767Generated: October 25, 2026

Phenylhydrazine hydrochloride → 1-(2-Methyl-4-aminopyrimidyl)methylidene-2-phenylhydrazine hydrochloride

https://huagongshe.com/reaction/414767

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhenylhydrazine hydrochlorideHCID 60962—
Reactant4-Amino-2-methylpyrimidine-5-carbaldehydeHCID 12904726—
SolventMethanolHCID 887—
Product1-(2-Methyl-4-aminopyrimidyl)methylidene-2-phenylhydrazine hydrochlorideHCID 7041964399.8%

Reaction Steps

In 333 ml of methanol was dissolved 8.6 g of 2-methyl-4-amino-5-formylpyrimidine. To the solution was added gradually 10.6 g of phenyl hydrazine hydrochloride. As the reaction proceeded, crystals precipitated out. Five hours later, the crystals were collected by filtration and dried under reduced pressure to obtain 16.5 g (93%) of 1-(2-methyl-4-aminopyrimidyl)methylidene-2-phenylhydrazine hydrochloride. Physical properties of 1-(2-methyl-4-aminopyrimidyl)methylidene-2-phenylhydrazine hydrochloride are as follows:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04794182
Source datasetuspto-grants-1988_12
ORD IDord-837e8fc9dc2a4cf58e596f243f4f152e
Source noteuspto-grants-1988_12