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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 582616Generated: October 31, 2026

Ethyl chloroformate → 2-Cyanoethyl-5-ethoxycarbonylamino-2,3-dihydrobenzofuran

https://huagongshe.com/reaction/582616

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl chloroformateHCID 10928—
ReactantSodium BicarbonateHCID 516892—
Reactant5-Amino-2-cyanoethyl-2,3-dihydrobenzofuranHCID 54501488—
Product2-Cyanoethyl-5-ethoxycarbonylamino-2,3-dihydrobenzofuranHCID 5380673287.8%

Reaction Steps

Starting from 2.6 g (14 mmol) of 5-amino-2-cyanoethyl-2,3-dihydrobenzofuran, 1.45 ml (15.2 mmol) of ethyl chloroformate and 1.7 g (21 mmol) of sodium hydrogencarbonate treated under the conditions described in step 6 of Example 1, 3.2 g of product were obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05925662
Source datasetuspto-grants-1999_07
ORD IDord-033a5d688db6423b8f1d6a17f63b2bdc
Source noteuspto-grants-1999_07