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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 631285Generated: October 30, 2026

Phosphorus oxychloride → 4-Chloro-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazoline

https://huagongshe.com/reaction/631285

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 178486872HCID 178486872—
Product4-Chloro-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazolineHCID 8665350665%

Reaction Steps

The intermediate 4-hydroxy-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazoline (700 mg, 2.24 mmol) from the previous step was reacted with POCl3 in the manner described in Example 4A Step 2 to give 4-chloro-7-methoxy-6-(3-(methylsulfonyl)propoxy)quinazoline (480 mg, 1.45 mmol, 65%). LC-MS (ESI) m/z 331 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09320739B2
Source datasetuspto-grants-2016_04
ORD IDord-980e0e8a277f4f83adfa18dfc76a155b
Source noteuspto-grants-2016_04