Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Iodoethane | HCID 6340 | — |
| Reactant | Sodium hydride | HCID 24758 | — |
| Reactant | HCID 11077303 | HCID 11077303 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 23525787 | HCID 23525787 | 96% |
Reaction Steps
To a suspension of sodium hydride (477 mg, 18.88 mmol) (Aldrich, 95%) in tetrahydrofuran (25 mL) was added a solution of [3-(4-nitrophenoxy)propyl]-carbamic acid tert-butyl ester (3.0 g, 10.13 mmol) (from Example 64, Step A) in tetrahydrofuran (15 mL) at 0° C. Upon addition, the mixture was allowed to stir at room temperature for 30 minute, treated with iodoethane (3.76 g, 24.25 mmol) (Aldrich), and heated at 55° C. for one hour before it was quenched with aqueous ammonium chloride (20 mL). The resulting mixture was extracted with ethyl acetate (3×100 mL) and the combined organic extracts were washed with brine and dried (Na2SO4) and evaporated in vacuo. The residue was purified on silica gel with 75:25 hexane/ethyl acetate to give ethyl-[3-(4-nitrophenoxy) propyl]carbamic acid tert-butyl ester (3.15 g, 96%). MS (ES) MH+=325.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06818663B2 |
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| Source dataset | uspto-grants-2004_11 |
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| ORD ID | ord-4b1228b236294e20956506a71b17de87 |
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| Source note | uspto-grants-2004_11 |
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