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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 55178Generated: October 26, 2026

Water → 9,10-Dihydro-4H-furo[2,3-e]pyrrolo[1,2-a][1,4]diazepine

https://huagongshe.com/reaction/55178

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantSodium HydroxideHCID 14798—
Reactant4,10-dihydro-9H-furo[2,3-e]pyrrolo[1,2-a][1,4]diazepin-9-oneHCID 10013332—
ReactantAluminium lithium hydrideHCID 21226445—
SolventTetrahydrofuranHCID 8028—
Product9,10-Dihydro-4H-furo[2,3-e]pyrrolo[1,2-a][1,4]diazepineHCID 21836966—

Reaction Steps

To a suspension of 4 mmol of lithium aluminum hydride in 25 ml of anhydrous tetrahydrofuran is added 1 mmol of 9,10-dihydro-4H-furo[2,3-e]pyrrolo[1,2-a][1,4]diazepin-9-one. The mixture is refluxed for 12 hours and allowed to stand overnight. To the mixture is added dropwise 0.12 ml of water and then 6 ml of 1N sodium hydroxide. The mixture is extracted with ethyl acetate and the extract dried(Na2SO4). The volatiles are removed in vacuo to give the desired product as a solid.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05624923
Source datasetuspto-grants-1997_04
ORD IDord-4762298b84da4cbe84a0b5ee1d200f6a
Source noteuspto-grants-1997_04