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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1403726Generated: November 1, 2026

1,4-Dibromobutane → HCID 90410761, compound

https://huagongshe.com/reaction/1403726

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1,4-DibromobutaneHCID 8056—
ReactantCesium carbonateHCID 10796—
Reactant1,1-Dimethylethyl N-[(phenylamino)sulfonyl]carbamateHCID 405110—
SolventAcetoneHCID 180—
ProductHCID 90410761HCID 9041076139%

Reaction Conditions

Temperature60 °C

Reaction Steps

To a solution of tert-butyl N-phenylsulfamoylcarbamate (2.0 g, 7.35 mmol) and 1,4-dibromobutane (1.6 g, 7.35 mmol) in acetone (30 mL) was added Cs2CO3 (7.2 g, 22.05 mmol) and the mixture was stirred at 60° C. for 48 hours. The reaction mixture was filtered and concentrated under reduced pressure to afford tert-butyl 1,1-dioxo-7-phenyl-1λ6,2,7-thiadiazepane-2-carboxylate as a yellow oil (860 mg, 39%). LCMS (ESI): m/z=271.1 [M−56+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08912219B2
Source datasetuspto-grants-2014_12
ORD IDord-0e2031cd5a8b494e8fc84b89a205b7cb
Source noteuspto-grants-2014_12