Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 858752Generated: October 26, 2026

6-[2-(5-Chloro-2,4-dimethoxy-phenyl)ethyl]-6-cyclopentyl-tetrahydropyran-2,4-dione → 2-({6-[2-(5-Chloro-2,4-dimethoxyphenyl)ethyl]-6-cyclopentyl-4-hydroxy-2-oxo-5,6-dihydro-2H-pyran-3-yl}methyl)-6-methylpyrimidin-4(3H)-one

https://huagongshe.com/reaction/858752

Reaction equation

Participants

RoleNameHCIDCharge
Reactant6-[2-(5-Chloro-2,4-dimethoxy-phenyl)ethyl]-6-cyclopentyl-tetrahydropyran-2,4-dioneHCID 16728701—
Reactant2-(Chloromethyl)-6-methylpyrimidin-4-olHCID 135472858—
Product2-({6-[2-(5-Chloro-2,4-dimethoxyphenyl)ethyl]-6-cyclopentyl-4-hydroxy-2-oxo-5,6-dihydro-2H-pyran-3-yl}methyl)-6-methylpyrimidin-4(3H)-oneHCID 13615258719%

Reaction Steps

The title compound was prepared as described in Example B(53), using 2-(chloromethyl)-6-methylpyrimidin-4(3H)-one (Example B(54), Step 1) in place of 5-(chloromethyl)-1,3-dimethyl-1H-1,2,4-triazole, and using 6-[2-(5-chloro-2,4-dimethoxyphenyl)ethyl]-6-cyclopentyldihydro-2H-pyran-2,4(3H)-dione in place of 6-[2-(3-chloro-4-methoxyphenyl)ethyl]-6-cyclopentyldihydro-2H-pyran-2,4(3H)-dione. Yield: 19%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07148226B2
Source datasetuspto-grants-2006_12
ORD IDord-df1125ba831a4b5483d0bd5e22963d89
Source noteuspto-grants-2006_12