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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 634355Generated: October 30, 2026

Cesium carbonate → 3-(1-Hydroxyethyl)-4-m-tolyl-1H-isochromen-1-one

https://huagongshe.com/reaction/634355

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant3-Tolylboronic acidHCID 2733950—
Reactant4-Bromo-3-(1-hydroxyethyl)-1H-isochromen-1-oneHCID 118131255—
CatalystHCID 178418397HCID 178418397—
Product3-(1-Hydroxyethyl)-4-m-tolyl-1H-isochromen-1-oneHCID 11813125055.5%

Reaction Steps

The title compound was made in a similar way as that of the intermediate B1 using 4-bromo-3-(1-hydroxyethyl)-1H-isochromen-1-one (Intermediate A2, 0.52 g, 1.93 mmol), m-tolylboronic acid (0.45 g, 3.28 mmol), Pd(PPh3)4 (0.11 g, 0.096 mmol) and Cs2CO3 (0.81 g, 2.5 mmol) to afford the title compound (0.3 g, 55%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09321776B2
Source datasetuspto-grants-2016_04
ORD IDord-197b5b8874264638a02d0bda94b76d38
Source noteuspto-grants-2016_04