Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2241867Generated: November 1, 2026

9-Bromo-[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-one → HCID 178434587, compound

https://huagongshe.com/reaction/2241867

Reaction equation

Participants

RoleNameHCIDCharge
Reactant9-Bromo-[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-oneHCID 135766855—
Reactant9-Chloro-2-methyl-[1,2,4]triazolo[1,5-c]quinazolin-5(6H)-oneHCID 135976293—
ProductHCID 178434587HCID 17843458776.4%

Reaction Steps

As described for example 23c) 9-chloro-2-methyl-6H-[1,2,4]triazolo[1,5-c]quinazolin-5-one (9.67 g, 41.2 mmol), instead of 9-bromo-6H-[1,2,4]triazolo[1,5-c]quinazolin-5-one, was converted to the title compound (6.57 g, 76%) which was obtained as an off-white solid. MS: m/e=209.0 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07671048B2
Source datasetuspto-grants-2010_03
ORD IDord-76269a806ad147898257a5f66da56231
Source noteuspto-grants-2010_03