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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2281109Generated: November 4, 2026

Phosphorus oxychloride → HCID 117772417, compound

https://huagongshe.com/reaction/2281109

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantDiisopropylethylamineHCID 81531—
ReactantHCID 136927191HCID 136927191—
SolventTolueneHCID 1140—
ProductHCID 117772417HCID 117772417—

Reaction Steps

To a mixture of 0.4 g (1.27 mmol) 5-chloro-7-iodo-3H-quinazolin-4-one, 0.5 ml (3.18 mmol) DIPEA and toluene, 0.3 ml (2.8 mmol) POCl3 is added dropwise and stirred at RT for 1 h, the heated to 90° C. for 1.5 h. After cooling to RT the solvent is evaporated giving rise to crude 4,5-dichloro-7-iodo-quinazoline.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09139577B2
Source datasetuspto-grants-2015_09
ORD IDord-1b6236effec14b4caec9030ee3e4c806
Source noteuspto-grants-2015_09