Participants
| Role | Name | HCID | Charge |
|---|
| Reactant | Ammonium Chloride | HCID 25517 | — |
| Reactant | 2-(Tributylstannyl)pyrimidine | HCID 2763251 | — |
| Reactant | tert-butyl N-methyl-N-(3-oxopropyl)carbamate | HCID 10442454 | — |
| Reactant | Butyllithium | HCID 178418339 | — |
| Solvent | Tetrahydrofuran | HCID 8028 | — |
| Product | HCID 86759690 | HCID 86759690 | 43% |
Reaction Steps
To 2-(tributylstannyl)pyrimidine (690 mg, 1.87 mmol) dissolved in dry tetrahydrofuran (10 ml) cooled to −78° C. was added 2.4M n-butyl lithium in hexanes (0.8 ml, 1.87 mmol) under nitrogen. After stirring for a further 0.5 h, methyl(3-oxopropyl)carbamic acid, 1,1-dimethylethyl ester in dry tetrahydrofuran (10 ml) was added rapidly at −78° C. The reaction mixture was allowed to warm to ambient, treated with aqueous saturated ammonium chloride solution and extracted with ethyl acetate which was washed with brine and dried over anhydrous magnesium sulphate. The solvent was evaporated and the residue eluted down a flash chromatography column using initially 10% ethyl acetate/dichloromethane, then 10% methanol/dichloromethane to give 260 mg (43%) of the subtitle compound as a viscous yellow oil.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
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| Patent number | US06887871B2 |
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| Source dataset | uspto-grants-2005_05 |
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| ORD ID | ord-8ac22a428f5e431b8b517ce2cef8fb31 |
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| Source note | uspto-grants-2005_05 |
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