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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2040856Generated: November 1, 2026

3-(Phenylethynyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-ene → 7-[(3-Chlorophenyl)ethynyl]-5-oxa-2,6-diazaspiro[3.4]oct-6-ene

https://huagongshe.com/reaction/2040856

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(Phenylethynyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-eneHCID 57493808—
ReactantTert-butyl 3-[(3-chlorophenyl)ethynyl]-1-oxa-2,7-diazaspiro[4.4]non-2-ene-7-carboxylateHCID 57493821—
Product7-[(3-Chlorophenyl)ethynyl]-5-oxa-2,6-diazaspiro[3.4]oct-6-eneHCID 57493825—

Reaction Steps

The title compound was synthesized following the method reported for the Compound 1c, substituting Compound 1b with Compound 27c. The crude residue was used without further purification in the next reaction step.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08580962B2
Source datasetuspto-grants-2013_11
ORD IDord-7d03b6f7bcd04a839575bf04df5200d6
Source noteuspto-grants-2013_11