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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1056391Generated: November 3, 2026

Triphosgene → HCID 89783877, compound

https://huagongshe.com/reaction/1056391

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriphosgeneHCID 94429—
ReactantHCID 89782000HCID 89782000—
ProductHCID 89783877HCID 89783877266.5%

Reaction Steps

8-Bromo-3-(2,2,2-trifluoroethyl)quinazoline-2,4(1H,3H)-dione (501b, 1.53 g, 88%) was prepared according to the procedures described for 720 using 2-amino-3-bromo-N-(2,2,2-trifluoroethyl)benzamide (1.6 g, 5.39 mmol, 501a) and tri-phosgene (0.5 g, 1.777 mmol, Sigma Aldrich) as the reagents. 1H NMR (400 MHz, DMSO-d6) δ ppm 10.86 (1H, s) 8.01 (2H, d, J=7.82 Hz) 7.20 (1H, t, J=7.82 Hz) 4.73 (2H, q, J=9.19 Hz). m/z (ESI, +ve) 322.9/324.9 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09394297B2
Source datasetuspto-grants-2016_07
ORD IDord-2bd609f75a2b4db6afe86ba8b03b2fc1
Source noteuspto-grants-2016_07