HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 588637Generated: October 30, 2026
Phthalic Anhydride → HCID 178514955, compound
https://huagongshe.com/reaction/588637
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Phthalic Anhydride | HCID 6811 | — |
| Reactant | 3-Amino-5-phenylpyrazole | HCID 136655 | — |
| Solvent | Acetic Acid | HCID 176 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 178514955 | HCID 178514955 | 91% |
Reaction Steps
A mixture of 3-phenyl-1H-pyrazol-5-amine (6 g, 0.038 mol), phthalic anhydride (5.6 g, 0.038 mol) in acetic acid (60 mL) was heated at 100° C. for 2 h and at 120° C. for 2 h and cooled to room temperature. The reaction mixture was diluted with water and the suspension was filtered. The collected solid was washed with water, dried, yielding the title compound as a solid (10 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US09227976B2 |
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| Source dataset | uspto-grants-2016_01 |
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| ORD ID | ord-b160697bea504340b0300f6b54b2afbd |
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| Source note | uspto-grants-2016_01 |
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