Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2235460Generated: November 2, 2026

Cyanogen Bromide → 2-Amino-1-isopropyl-7,7-dimethyl-5-pentyl-5,7-dihydro-1H-imidazo [4,5-f]indol-6-one

https://huagongshe.com/reaction/2235460

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyanogen BromideHCID 10476—
Reactant6-Amino-5-isopropylamino-3,3-dimethyl-1-pentyl-1,3-dihydro-indol-2-oneHCID 67427252—
SolventWaterHCID 962—
SolventTetrahydrofuranHCID 8028—
Product2-Amino-1-isopropyl-7,7-dimethyl-5-pentyl-5,7-dihydro-1H-imidazo [4,5-f]indol-6-oneHCID 5930074297.5%

Reaction Steps

Analogously to general procedure (III) 6-amino-5-isopropylamino-3,3-dimethyl-1-pentyl-1,3-dihydro-indol-2-one (180 mg) is cyclized using BrCN (3 M; 0.2 ml; 600 μmol) at RT in water (2.5 ml) and THF (1 ml). After aqueous work-up the desired compound (190 mg) is obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07714010B2
Source datasetuspto-grants-2010_05
ORD IDord-e154b16468964f978dcde395dd92d022
Source noteuspto-grants-2010_05