HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1862786Generated: November 1, 2026
Phthalic Anhydride → HCID 23008051, compound
https://huagongshe.com/reaction/1862786
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Phthalic Anhydride | HCID 6811 | — |
| Reactant | (Z)-3,4-dichloro-N'-hydroxybenzimidamide | HCID 71446900 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 23008051 | HCID 23008051 | 15.1% |
Reaction Steps
A mixture of 14.17 g (0.0691 mol) of 3,4-dichlorobenzamide oxime and 10.24 g (0.0691 mol) of phthalic anhydride was heated gently with stirring to about 90° C., at which time a very vigorous exotherm carried the temperature to above 170° C.; the mixture was cooled in water to 130° C. and held at 130° C. for a few minutes, and then was cooled to 25° C. The mixture was extracted with 1 liter of ethanol and was filtered to give 3.5 g of insoluble solid, mp 200°-215° C.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US04166732 |
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| Source dataset | uspto-grants-1979_09 |
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| ORD ID | ord-19dfa1366e0e4b1baa26d2f317db7c01 |
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| Source note | uspto-grants-1979_09 |
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