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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1936667Generated: October 31, 2026

Diethylamine → HCID 135670767, compound

https://huagongshe.com/reaction/1936667

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiethylamineHCID 8021—
Reactant7-Methylsulphonyl-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidineHCID 135670752—
SolventDichloromethaneHCID 6344—
ProductHCID 135670767HCID 135670767—

Reaction Steps

A solution of 7-methylsulphonyl-4-oxo-2-(2-propoxyphenyl)-3,4-dihydropyrimido[4,5-d]pyrimidine (229 mg) and diethylamine (420 mg) in dichloromethane (8 ml) was stirred at ambient temperature for 3 hours. The reaction mixture was eluted from a silica column with diethyl ether:chloroform (4:1) and the combined fractions containing product were evaporated under reduced pressure to yield an oil which on trituration with 40-60° petroleum ether yielded the title compound, 85.5 mg, m.p. 116-7° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06391885B1
Source datasetuspto-grants-2002_05
ORD IDord-3486b742956544d191d19c11d74da23d
Source noteuspto-grants-2002_05