HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1294891Generated: October 30, 2026
2,2',4,4'-Tetrahydroxybenzophenone → 680610-92-8
https://huagongshe.com/reaction/1294891
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | 2,2',4,4'-Tetrahydroxybenzophenone | HCID 8571 | — |
| Reactant | Hydrazine, ethyl-, ethanedioate (1:1) | HCID 96181 | — |
| Reactant | Sodium Acetate | HCID 517045 | — |
| Solvent | Water | HCID 962 | — |
| Product | 680610-92-8 | HCID 135438183 | 18.5% |
Reaction Steps
A mixture of 2,2′,4,4′-tetrahydroxybenzophenone (0.123 g, 0.5 mmol), sodium acetate (0.164 g, 2.0 mmol) and ethylhydrazine oxalate (0.30 g, 2.0 mmol) in 2 mL H2O was heated at 90° C. overnight. The cooled reaction mixture was partitioned with EtOAc and 1 N HCl. The organic layer was dried (Na2SO4) and concentrated in vacuo to give the crude product. The residue was purified by HPLC chromatography using a silica gel column 150×12 mm (Biotage) at 10 mL/min with methyl-t-butyl ether/hexane (1:3, v/v) to give 0.025 g of product as an off-white solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US07241791B2 |
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| Source dataset | uspto-grants-2007_07 |
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| ORD ID | ord-dc67e9203fff41a18b54546c4f0e6355 |
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| Source note | uspto-grants-2007_07 |
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