HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2270236Generated: October 30, 2026
Pyrrolidine → 3-Benzyloxy-1-cyclopropyl-6-fluoro-7-pyrrolidin-1-yl-1H-quinazoline-2,4-dione
https://huagongshe.com/reaction/2270236
Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Pyrrolidine | HCID 31268 | — |
| Reactant | 3-Benzyloxy-7-chloro-1-cyclopropyl-6-fluoro-1H-quinazoline-2,4-dione | HCID 22632889 | — |
| Solvent | Hydrochloric Acid | HCID 313 | — |
| Solvent | Dimethylformamide | HCID 6228 | — |
| Product | 3-Benzyloxy-1-cyclopropyl-6-fluoro-7-pyrrolidin-1-yl-1H-quinazoline-2,4-dione | HCID 17899938 | — |
Reaction Steps
A solution of 3-benzyloxy-7-chloro-1-cyclopropyl-6-fluoro-1H-quinazoline-2,4-dione (Example E-3, 0.15 g, 0.42 mmol) in DMF (4.0 mL) was reacted with pyrrolidine (1.0 mL) and heated to 70° C. overnight. The mixture was then cooled, diluted with 0.25 M HCl, and extracted with ethyl acetate. The organic layers were combined, dried with sodium sulfate, and concentrated. The residue was then purified by column chromatography (silica gel, 1:1 hexanes/ethyl acetate) to provide 0.15 g of the title compound as a solid.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06331538B1 |
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| Source dataset | uspto-grants-2001_12 |
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| ORD ID | ord-b8002d216dc84861b66806e799ac89a3 |
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| Source note | uspto-grants-2001_12 |
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