Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 523484Generated: October 29, 2026

1-(2-Methoxyphenyl)piperazine → 2-[4-(2-Methoxyphenyl)piperazin-1-yl]-5,6,7,8-tetrahydroquinazolin-4-ol

https://huagongshe.com/reaction/523484

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-(2-Methoxyphenyl)piperazineHCID 1346—
Reactant2-(Methylthio)-5,6,7,8-tetrahydroquinazolin-4(3H)-oneHCID 135435256—
SolventIsoamyl AlcoholHCID 31260—
Product2-[4-(2-Methoxyphenyl)piperazin-1-yl]-5,6,7,8-tetrahydroquinazolin-4-olHCID 135652704—

Reaction Steps

2-Methylsulfanyl-5,6,7,8-tetrahydro-3H-quinazolin-4-one (100 mg; 0.51 mmol) and 1-(2-methoxyphenyl)piperazine (98 mg; 0.51 mmol) are reacted in isoamyl alcohol (1 ml) in accordance with the procedure for Example 1 (reaction time 4 h) and worked up; yield: 52 mg (30%), crystals;

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09339503B2
Source datasetuspto-grants-2016_05
ORD IDord-250c5afe0579454eb566ae6de06d2519
Source noteuspto-grants-2016_05