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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 486647Generated: October 23, 2026

4-Methoxybenzamidine Hydrochloride → 2-(p-methoxyphenyl)-5-(o-methoxyphenoxy)-6-hydroxy-4(3H)-pyrimidinone

https://huagongshe.com/en/reaction/486647

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4-Methoxybenzamidine HydrochlorideHCID 12326219—
ReactantDimethyl 2-(2-methoxyphenoxy)malonateHCID 12967085—
Product2-(p-methoxyphenyl)-5-(o-methoxyphenoxy)-6-hydroxy-4(3H)-pyrimidinoneHCID 19095829—

Reaction Steps

In analogy to Example 1, paragraph d), 7.63 g of dimethyl (o-methoxyphenoxy)malonate and 5.6 g of p-methoxy-benzamidine hydrochloride were condensed to give 2-(p-methoxyphenyl)-5-(o-methoxyphenoxy)-6-hydroxy-4(3H)-pyrimidinone. Reaction of this compound in analogy to Example 1, paragraph e), yielded 4,6-dichloro-2-(p-methoxyphenyl)-5-(o-methoxyphenoxy)-pyrimidine, m.p. 113°-114° C., from which in analogy to Example 1, paragraph f), there was obtained p-tert-butyl-N-[6-chloro-5-(o-methoxyphenoxy)-2-(p-methoxyphenyl)-4-pyrimidinyl]benzenesulfonamide, m.p. 221°-222° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05292740
Source datasetuspto-grants-1994_03
ORD IDord-2e62db721a40488b92e53bb17a66972f
Source noteuspto-grants-1994_03