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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1603935Generated: November 1, 2026

Phosphorus oxychloride → HCID 19606335, compound

https://huagongshe.com/reaction/1603935

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPhosphorus oxychlorideHCID 24813—
ReactantHCID 19606323HCID 19606323—
SolventDimethylformamideHCID 6228—
ProductHCID 19606335HCID 1960633595%

Reaction Steps

Following the process described in example 2 (point D), reacting 8-[(E)-2-[4-[4-(4-fluorophenyl)butoxy]phenyl]ethen-1-yl]-4-oxo-4H-1-benzopyran-2-carboxamide with phosphorous oxychloride in DMF for 0.5 h at 0° C., the title compound was prepared (95% yield).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05990142
Source datasetuspto-grants-1999_11
ORD IDord-707cf75cc2624f589934f52657a01442
Source noteuspto-grants-1999_11