Di-tert-butyl-iminodicarboxylate
Di-tert-butyl-iminodicarboxylate is an organic compound that can be described with the formula [(CH3)3COC(O)]2NH. It is a white solid that is soluble in organic solvents. The compound is used as a reagent for the preparation of primary amines from alkyl halides.[1] It was popularized as an alternative to the Gabriel synthesis for the same conversion. Amines can also be prepared from alcohols by dehydration using the Mitsunobu reaction.[2]
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| Names | |
|---|---|
| Preferred IUPAC name
di-tert-butyl 2-imidodicarbonate | |
| Other names
HN(Boc)2; Bis-Boc amine | |
| Identifiers | |
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| Properties | |
| C10H19NO4 | |
| Molar mass | 217.265 g·mol−1 |
| Appearance | White solid |
| Melting point | 119–121 °C (246–250 °F; 392–394 K) |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). | |
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In the usual implementation the reagent is deprotonated to give the potassium salt, which is N-alkylated. The Boc protecting groups are subsequently removed under acidic conditions.
References
- Ulf Ragnarsson; Leif Grehn (1991). "Novel Gabriel Reagents". Acc. Chem. Res. 24 (10): 285–289. doi:10.1021/ar00010a001.
- Neelamkavil, Santhosh "Di-tert-butyl-imidocarbonate" e-EROS Encyclopedia of Reagents for Organic Synthesis, 2001, John Wiley & Sons. doi:10.1002/047084289X.rn00488
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