Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Sulfuric Acid | HCID 1118 | — |
| Reactant | HCID 22388411 | HCID 22388411 | — |
| Solvent | Water | HCID 962 | — |
| Product | HCID 22387896 | HCID 22387896 | 38.5% |
Reaction Steps
To 7-(acetylcarbamoyl)-1-(2,4-dichlorobenzyl)-1,4-dihydro-2-methylquinazoline hydrochloride (0.46 g) were added water (1.2 g) and concentrated sulfuric acid (1.0 g) and the mixture was heated at 70° C. for 90 min. After cooling, ice was added and the precipitated solid was collected by filtration. The precipitate was washed with water and 2-propanol and dried to give the objective compound (0.145 g).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06348474B1 |
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| Source dataset | uspto-grants-2002_02 |
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| ORD ID | ord-0c3c3ccf4a7c460caf1ed8f7379f43c7 |
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| Source note | uspto-grants-2002_02 |
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