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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2415138Generated: October 31, 2026

Oxalyl chloride → 9-(4-bromo-butyl)-9H-fluorene-9-carboxylic Acid Chloride

https://huagongshe.com/reaction/2415138

Reaction equation

Participants

RoleNameHCIDCharge
ReactantOxalyl chlorideHCID 65578—
Reactant9-(4-bromobutyl)-9H-fluorene-9-carboxylic acidHCID 10712518—
CatalystDimethylformamideHCID 6228—
SolventDichloromethaneHCID 6344—
Product9-(4-bromo-butyl)-9H-fluorene-9-carboxylic Acid ChlorideHCID 10522758—

Reaction Steps

23 g (0.067 mol) of 9-(4-bromo-butyl)-9H-fluorene-9-carboxylic acid are dissolved in 40 ml dichloromethane and combined with three drops of dimethylformamide and 6.96 ml (0.081 mol) of oxalyl chloride, dissolved in 10 ml dichloromethane, under nitrogen at 0° C. The mixture is stirred for 3 hours at ambient temperature. Then the solvent is removed and the crude product is further reacted without any more purification.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06818644B1
Source datasetuspto-grants-2004_11
ORD IDord-dab5a5a4b66e4e4ca65c4c24ada4c00d
Source noteuspto-grants-2004_11