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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1354532Generated: October 31, 2026

Water → 2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acid

https://huagongshe.com/reaction/1354532

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantFluorescein 5-isothiocyanateHCID 18730—
SolventTetrahydrofuranHCID 8028—
Product2-(6-Hydroxy-3-oxo-3H-xanthen-9-yl)benzoic acidHCID 3383—

Reaction Steps

A PNA or PNA derivative having a single free NH2 such as H2N-GCAT-COOH is dissolved in tetrahydrofuran:water to provide a solution that is 0.1 M in PNA and to this is added fluorescein isothiocyanate to give a solution which is 0.1-1.0 M in fluorescein isothiocyanate. The solution is. stirred for 0.1-2 hours, then evaporated to a solid and purified by preparative HPLC.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07223833B1
Source datasetuspto-grants-2007_05
ORD IDord-638b791eb4d048a295c36645e3b114f8
Source noteuspto-grants-2007_05