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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2040915Generated: October 31, 2026

Chloroform → 2-[2-(3-Chlorophenyl)ethynyl]-9-methoxy-4-oxa-3,7-diazaspiro[4.4]non-2-ene

https://huagongshe.com/reaction/2040915

Reaction equation

Participants

RoleNameHCIDCharge
ReactantChloroformHCID 6212—
ReactantTert-butyl 3-(phenylethynyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-ene-8-carboxylateHCID 57493807—
Reactant3-(Phenylethynyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-eneHCID 57493808—
ReactantTert-butyl 3-methoxy-4-methylenepyrrolidine-1-carboxylateHCID 57493865—
Product2-[2-(3-Chlorophenyl)ethynyl]-9-methoxy-4-oxa-3,7-diazaspiro[4.4]non-2-eneHCID 57493866—

Reaction Steps

The title compound was synthesized following the method reported for the Compound 1c, substituting Compound 1b with the compound of Example 125 and using chloroform as the solvent. The crude residue was used without further purification in the next reaction.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08580962B2
Source datasetuspto-grants-2013_11
ORD IDord-4e264960271a45ee8fa4355dde37d3cd
Source noteuspto-grants-2013_11