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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2040913Generated: October 29, 2026

3-[(3-Chlorophenyl)ethynyl]-N,N-dimethyl-1-oxa-2,7-diazaspiro[4.4]non-2-ene-7-carboxamide → 2-[2-(3-Chlorophenyl)ethynyl]-N,N-dimethyl-4-oxa-3,8-diazaspiro[4.5]dec-2-ene-8-carboxamide

https://huagongshe.com/reaction/2040913

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-[(3-Chlorophenyl)ethynyl]-N,N-dimethyl-1-oxa-2,7-diazaspiro[4.4]non-2-ene-7-carboxamideHCID 56644645—
ReactantTert-butyl 3-[(3-chlorophenyl)ethynyl]-1-oxa-2,7-diazaspiro[4.4]non-2-ene-7-carboxylateHCID 57493821—
Product2-[2-(3-Chlorophenyl)ethynyl]-N,N-dimethyl-4-oxa-3,8-diazaspiro[4.5]dec-2-ene-8-carboxamideHCID 56644865—

Reaction Steps

The title compound was synthesized following the method herein described for the compound of Example 95 but replacing Compound 22d for Compound 27c. After the usual work-up procedure the crude was purified by means of automated flash chromatography (Isolera®TM-Biotage; gradient Petroleum Ether-EtOAc from 3:7 to 0:1) giving pale yellow solid of the title compound. Yield: 66.2%.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08580962B2
Source datasetuspto-grants-2013_11
ORD IDord-10cf996015d14fa398e38efd4f951484
Source noteuspto-grants-2013_11