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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 375519Generated: October 29, 2026

Acetic Anhydride → HCID 18993030, compound

https://huagongshe.com/reaction/375519

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
ReactantEthyl orthoformateHCID 31214—
Reactant2-(4-Chlorophenyl)ethylamineHCID 67430—
ReactantSodium AcetateHCID 517045—
Reactant2-AMINO-4-METHYL-3-FURONITRILEHCID 11018853—
SolventAcetic AcidHCID 176—
SolventWaterHCID 962—
ProductHCID 18993030HCID 18993030—

Reaction Conditions

Temperature135 °C

Reaction Steps

A mixture of 4.0 g of 2-amino-3-cyano-4-methylfuran, 3 cc of triethylorthoformate, and 0.05 cc of acetic anhydride was heated to 135° C. for three hours. Then 5 g of 2-(4-chlorophenyl)ethylamine, 5 cc of glacial acetic acid, and 3.2 g of sodium acetate were added to the reaction mixture. The temperature of the mixture was maintained at 135° C. for three additional hours, after which the mixture was cooled, treated with water and extracted with dichloromethane. The organic phase was then concentrated and washed with water. The solids were extracted from the organic phase with large volumes of ether, which were combined and concentrated to provide 1.07 g of product. M. P. 140° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05486516
Source datasetuspto-grants-1996_01
ORD IDord-f43d2e5d48eb4f919148ad48efc34c84
Source noteuspto-grants-1996_01