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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1954877Generated: November 2, 2026

(E)-2-(4,6-difluoro-1-indanylidene)acetic acid → (E)-2-(4-fluoro-1-indanylidene)acetyl Chloride

https://huagongshe.com/reaction/1954877

Reaction equation

Participants

RoleNameHCIDCharge
Reactant(E)-2-(4,6-difluoro-1-indanylidene)acetic acidHCID 10976722—
Reactant(E)-2-(4,6-difluoro-1-indanylidene)acetyl ChlorideHCID 10977254—
Product(E)-2-(4-fluoro-1-indanylidene)acetyl ChlorideHCID 23293683—

Reaction Steps

This compound was prepared in a similar manner to (E)-2-(4,6-difluoro-1-indanylidene)acetyl chloride in Example 5f by substituting (E)-2-(4-fluoro-1-indanylidene)acetic acid (5.77 g, 0.03 mol) for (E)-2-(4,6-difluoro-1-indanylidene)acetic acid. The resulting solution was concentrated in vacuo, and the residue was used without further purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06124284
Source datasetuspto-grants-2000_09
ORD IDord-59fa4e41488045dbb7d7eb0f6afca2ba
Source noteuspto-grants-2000_09