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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1833736Generated: October 30, 2026

Sodium Hydroxide → HCID 21388868, compound

https://huagongshe.com/reaction/1833736

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium HydroxideHCID 14798—
Reactant2-Propenoic acid, 2-cyano-3-ethoxy-, ethyl esterHCID 78943—
ReactantSodium ethoxideHCID 2723922—
ReactantPhosphorusHCID 5462309—
Reactant29147-99-7HCID 15564094—
ReactantHCID 178442097HCID 178442097—
SolventEthanolHCID 702—
ProductHCID 21388868HCID 21388868—

Reaction Steps

The starting material can be obtained according to the procedure of A. R. Todd and F. Bergel, J. Chem. Soc. 1937, 365 by reaction of p-n-pentylbenzamidine hydrochloride with α-ethoxymethylene- α -cyanoacetic acid ethyl ester and sodium ethylate in ethanol and then with sodium hydroxide solution. The resulting 5-cyano-4-hydroxy-2-(4-n-pentylphenyl)-pyrimidine (melting point 199°-205° C) is treated with phosphorus oxychaloride to give 4-chloro-5-cyano-2-(4-n-pentylphenyl)-pyrimidine having a melting point of 96.0°-96.3° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04066570
Source datasetuspto-grants-1978_01
ORD IDord-0afb64345c204377b61bcbc63728135d
Source noteuspto-grants-1978_01