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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1494838Generated: October 31, 2026

Hydrogen Bromide → 4-bromo-2,3-dihydro-1H-isoindole

https://huagongshe.com/reaction/1494838

Reaction equation

Participants

RoleNameHCIDCharge
ReactantHydrogen BromideHCID 260—
ReactantPhenolHCID 996—
Reactant4-Bromo-2-tosylisoindolineHCID 15167897—
SolventPropionic AcidHCID 1032—
Product4-bromo-2,3-dihydro-1H-isoindoleHCID 1479587092.5%

Reaction Steps

The procedure of Reference Example 6-(3) was followed using 9.61 g of 2-(p-toluenesulfonyl)-4-bromoisoindoline, 10 g of phenol, 120 ml of 48% hydrobromic acid, and 20 ml of propionic acid. Purification of the crude product by vacuum distillation gave 5.0 g of 4-bromoisoindoline.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05026856
Source datasetuspto-grants-1991_06
ORD IDord-823fc84af3f249209d928ad8ba93a319
Source noteuspto-grants-1991_06