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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 631249Generated: October 29, 2026

Phosphorus oxychloride → 4-Chloro-6-(3-chloropropoxy)-7-methoxyquinazoline

https://huagongshe.com/reaction/631249

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
Reactant6-(3-chloropropoxy)-7-methoxy-1H-quinazolin-4-oneHCID 178486870—
Product4-Chloro-6-(3-chloropropoxy)-7-methoxyquinazolineHCID 5074226486%

Reaction Steps

The intermediate 6-(3-chloropropoxy)-4-hydroxy-7-methoxyquinazoline (3.5 g, 13.0 mmol) was reacted with POCl3 in the manner described in Example 4A Step 2 to give 4-chloro-6-(3-chloropropoxy)-7-methoxyquinazoline (3.2 g, 11.2 mmol, 86%). LC-MS (ESI) m/z 287 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09320739B2
Source datasetuspto-grants-2016_04
ORD IDord-a766e46a82834776bc206a14e21063f1
Source noteuspto-grants-2016_04