Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Water | HCID 962 | — |
| Reactant | p-Anisoyl chloride | HCID 7477 | — |
| Reactant | Triethylamine | HCID 8471 | — |
| Reactant | 3-Aminopyrrolidine | HCID 164401 | — |
| Reactant | Benzoic acid, 2-(chlorosulfonyl)-, ethyl ester (9CI) | HCID 3763467 | — |
| Catalyst | 4-(Dimethylamino)pyridine | HCID 14284 | — |
| Solvent | Acetonitrile | HCID 6342 | — |
| Product | HCID 10180362 | HCID 10180362 | — |
Reaction Steps
Part A: 3-Aminopyrrolidine (636 mg, 4 mmol), triethylamine (2.7 mL, 20 mmol), and 4-(dimethylamino)pyridine (75 mg) were suspended in acetonitrile. After 10 minutes, the reaction was chilled to zero degrees Celsius. 4-Methoxybenzoyl chloride (0.54 mL, 4 mmol) was added, drop-wise. After 30 minutes, 2-carboethoxybenzenesulfonyl chloride (0.996 g, 4.0 mmol) was introduced, drop-wise, by syringe. The mixture was stirred at zero Celsius for 1 hour, then at ambient temperature for 2 hours. Water was added (50 mL). The mixture was extracted using ethyl acetate (2×50 mL). The organic layer was dried over magnesium sulfate, filtered through silica, and concentrated. The residue was purified using silica gel chromatography using 1:1 ethyl acetate:hexane to ethyl acetate as eluant. The desired amide sulfonamide was isolated as a foam (282 mg,16%).
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06794511B2 |
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| Source dataset | uspto-grants-2004_09 |
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| ORD ID | ord-258943110c5343be8c5a591404e9f13b |
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| Source note | uspto-grants-2004_09 |
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