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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1022909Generated: October 29, 2026

Benzyl 1,4-dioxa-7-azaspiro[4.4]nonane-7-carboxylate → 1,4-Dioxa-7-azaspiro(4.4)nonane

https://huagongshe.com/reaction/1022909

Reaction equation

Participants

RoleNameHCIDCharge
ReactantBenzyl 1,4-dioxa-7-azaspiro[4.4]nonane-7-carboxylateHCID 15165037—
CatalystPalladium hydroxideHCID 9942167—
SolventMethanolHCID 887—
Product1,4-Dioxa-7-azaspiro(4.4)nonaneHCID 15165039100.1%

Reaction Steps

To a solution of benzyl 1,4-dioxa-7-azaspiro[4.4]nonane-7-carboxylate (1.1 g) in methanol (30 mL) was added palladium(II) hydroxide (100 mg) at room temperature. The mixture was stirred for 2.5 hr under a hydrogen atmosphere (0.4 MPa). Insoluble material was removed by filtration, and the filtrate was concentrated under reduced pressure to give the title compound (540 mg) as a dark orange liquid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08722660B2
Source datasetuspto-grants-2014_05
ORD IDord-8e515c8ce78349318c9339c4e6a7e7ab
Source noteuspto-grants-2014_05