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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1249794Generated: November 2, 2026

Ethylamine → 1-Ethyl-2-methoxymethyl-3-benzyloxy-6-methyl-pyridin-4(1H)-one hydrochloride

https://huagongshe.com/reaction/1249794

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthylamineHCID 6341—
Reactant2-methoxymethyl-3-benzyloxy-6-methyl-pyran-4(1H)-oneHCID 11747336—
Reactant1,6-dimethyl-2-methoxy-methyl-3-benzyloxy-pyridin-4(1H)-one hydrochlorideHCID 18678798—
Product1-Ethyl-2-methoxymethyl-3-benzyloxy-6-methyl-pyridin-4(1H)-one hydrochlorideHCID 18678794—

Reaction Steps

The title compound was prepared by the method outlined for 1,6-dimethyl-2-methoxy-methyl-3-benzyloxy-pyridin-4(1H)-one hydrochloride, using 6.5 g (25 mmol, 1 eq.) of 2-(1-methoxymethyl)-3-benzyloxy-6-methyl-pyran-4(1H)-one and 4.82 g (75 mmol, 3 eq.) of 70% aqueous ethylamine to yield the pure product 3.7 g (45.7%) after recrystallisation from methanol/diethyl ether, as a white crystalline solid m.p. 114-116° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06335353B1
Source datasetuspto-grants-2002_01
ORD IDord-b679680479f54630b3bbe412cf8acfb6
Source noteuspto-grants-2002_01