HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1659182Generated: November 1, 2026
Pyridinium chloride → 2-(p-Chlorophenyl)-2-methyl-4,5-dichloro-6-hydroxyindan-1,3-dione
https://huagongshe.com/reaction/1659182
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Pyridinium chloride | HCID 10176127 | — |
| Reactant | 2-(p-Chlorophenyl)-2-methyl-4,5-dichloro-6-methoxyindan-1,3-dione | HCID 21527347 | — |
| Solvent | Water | HCID 962 | — |
| Product | 2-(p-Chlorophenyl)-2-methyl-4,5-dichloro-6-hydroxyindan-1,3-dione | HCID 21481310 | — |
Reaction Steps
A stirred mixture of 2-(p-chlorophenyl)-2-methyl-4,5-dichloro-6-methoxyindan-1,3-dione (4.42 g., 0.012 mole) and pyridine hydrochloride (40 g.) is heated at 180°C. for 1 hour, then poured into water (500 ml.). The 2-(p-chlorophenyl)-2-methyl-4,5-dichloro-6-hydroxyindan-1,3-dione which separates is filtered and dried.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US03966966 |
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| Source dataset | uspto-grants-1976_06 |
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| ORD ID | ord-6ebd95b691fb47c89e579eb7f0bce305 |
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| Source note | uspto-grants-1976_06 |
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