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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1356939Generated: October 30, 2026

Tetrabromophenolphthalein ethyl ester → 1(3H)-Isobenzofuranone, 3,3-bis(3,5-dibromo-4-hydroxyphenyl)-

https://huagongshe.com/reaction/1356939

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTetrabromophenolphthalein ethyl esterHCID 92873—
ReactantPotassiumHCID 5462222—
Product1(3H)-Isobenzofuranone, 3,3-bis(3,5-dibromo-4-hydroxyphenyl)-HCID 65569—

Reaction Steps

Tetrabromophenolphthalein ethyl ester, potassium salt (yellow-brown)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06589761B1
Source datasetuspto-grants-2003_07
ORD IDord-685d0feb9a284fb5bbf72da613df93c6
Source noteuspto-grants-2003_07