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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2163773Generated: October 31, 2026

Dichloromethane → HCID 23673789, compound

https://huagongshe.com/reaction/2163773

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDichloromethaneHCID 6344—
ReactantSulfanilic acidHCID 8479—
ReactantSodium HydroxideHCID 14798—
ReactantHCID 20437337HCID 20437337—
ProductHCID 23673789HCID 23673789—

Reaction Conditions

Temperature60 °C

Reaction Steps

A methylene chloride solution of N-trifluoroacetyl-4-(hexadecylamino)benzoyl chloride (4.8 g.) is added to a solution of 1.8 g. of sulfanilic acid in 1N sodium hydroxide at 0° C. After 3 hours, the solution is warmed to 60° C. briefly and the whole evaporated to dryness. The residue is extracted with a small amount of cold water and the resulting white solid crystallized from aqueous ethanol.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04136256
Source datasetuspto-grants-1979_01
ORD IDord-5f6b6f391e6543a380ca681a39e22da9
Source noteuspto-grants-1979_01