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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 342603Generated: October 30, 2026

Dihydrouracil → 3-(3-{4-[4-fluoro-2-(2,2,2-trifluoroethoxy)phenyl]piperazin-1-yl}propyl)-5,6-dihydro-2,4(1H,3H)-pyrimidinedione hydrochloride

https://huagongshe.com/reaction/342603

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDihydrouracilHCID 649—
Reactant1-Chloro-3-{4-[4-fluoro-2-(2,2,2-trifluoroethoxy)phenyl]piperazin-1-yl}propaneHCID 70202159—
Product3-(3-{4-[4-fluoro-2-(2,2,2-trifluoroethoxy)phenyl]piperazin-1-yl}propyl)-5,6-dihydro-2,4(1H,3H)-pyrimidinedione hydrochlorideHCID 70202639—

Reaction Steps

substituting 1-chloro-3-{4-[4-fluoro-2-(2,2,2-trifluoroethoxy)phenyl]piperazin-1-yl}propane and 5,6-dihydro-2,4(1H,3H)-pyrimidinedione and recrystallizing from a solution of hydrochloric acid in alcohol gave 3-(3-{4-[4-fluoro-2-(2,2,2-trifluoroethoxy)phenyl]piperazin-1-yl}propyl)-5,6-dihydro-2,4(1H,3H)-pyrimidinedione hydrochloride, m.p. 186°-189° C.; Anal.: Calcd. for C19H24F4N5O3.(HCl)2 : C, 44.10; H, 5.06; N, 10.83%; Found: C, 43.99; H, 5.16; N, 10.78%; and

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05859014
Source datasetuspto-grants-1999_01
ORD IDord-523a918aec9847d5b874556682660983
Source noteuspto-grants-1999_01