Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 708166Generated: October 28, 2026

4,8-dibromo-3,4-dihydrobenzo[b]oxepin-5(2H)-one → N2-(8-bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-2-methylpropane-1,2-diamine hydrobromide

https://huagongshe.com/reaction/708166

Reaction equation

Participants

RoleNameHCIDCharge
Reactant4,8-dibromo-3,4-dihydrobenzo[b]oxepin-5(2H)-oneHCID 57900275—
Reactant1-(2-Methyl-1-(tritylamino)propan-2-yl)thioureaHCID 87249918—
SolventEthanolHCID 702—
ProductN2-(8-bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-2-methylpropane-1,2-diamine hydrobromideHCID 8665232768%

Reaction Steps

Following the Example 356, 1-(2-methyl-1-(tritylamino)propan-2-yl)thiourea was reacted with 4,8-dibromo-3,4-dihydro-2Hbenzo[b]oxepin-5-one in ethanol under reflux for 18 hours to give N2-(8-bromo-4,5-dihydrothiazolo[4,5-d]benzo[b]oxepin-2-yl)-2-methylpropane-1,2-diamine hydrobromide. Yield 68%. MS(ESI+): 368.0

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09175009B2
Source datasetuspto-grants-2015_11
ORD IDord-5c69a58c257840859d1bcbf923c19648
Source noteuspto-grants-2015_11