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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 524700Generated: October 30, 2026

N-bromobutanimide → Ethyl 4-(2-bromo-4-fluorophenyl)-6-(bromomethyl)-2-(3-cyano-1H-1,2,4-triazol-1-yl)-1,4-dihydropyrimidine-5-carboxylate

https://huagongshe.com/reaction/524700

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-bromobutanimideHCID 67184—
ReactantEthyl 4-(2-bromo-4-fluorophenyl)-2-(3-cyano-1H-1,2,4-triazol-1-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylateHCID 90043467—
SolventChloroformHCID 6212—
ProductEthyl 4-(2-bromo-4-fluorophenyl)-6-(bromomethyl)-2-(3-cyano-1H-1,2,4-triazol-1-yl)-1,4-dihydropyrimidine-5-carboxylateHCID 9004305680.5%

Reaction Steps

Ethyl 4-(2-bromo-4-fluorophenyl)-2-(3-cyano-1H-1,2,4-triazol-1-yl)-6-methyl-1,4-dihydropyrimidine-5-carboxylate (0.35 g, 0.8 mmol) was reacted with NBS (0.14 g, 0.81 mmol) in chloroform (15 mL) according to the procedure as described in Example 1, Step B to give the title compound as pale yellow oil (0.33 g, 80%). The compound was characterized by the following spectroscopic data:

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09340538B2
Source datasetuspto-grants-2016_05
ORD IDord-7030f849beb743d68980b255361a4120
Source noteuspto-grants-2016_05