HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1895873Generated: October 31, 2026
Formamide → 3,4-Dihydro-6-hydroxy-4-oxoquinazoline
https://huagongshe.com/reaction/1895873
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Formamide | HCID 713 | — |
| Reactant | 5-Hydroxyanthranilic acid | HCID 164592 | — |
| Product | 3,4-Dihydro-6-hydroxy-4-oxoquinazoline | HCID 135489577 | — |
Reaction Steps
To a solution of 2-amino-5-hydroxybenzoic acid 0201 (30.6 g, 0.2 mol) in formamide was stirred and heated to 190° C. for 0.5 h. The mixture was allowed to cool to room temperature.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US08518910B2 |
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| Source dataset | uspto-grants-2013_08 |
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| ORD ID | ord-9fcb802f9d6f4c4eb02be2bdf3a4464c |
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| Source note | uspto-grants-2013_08 |
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