![127828-22-2](/CAS/GIF/127828-22-2.gif)
Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI) synthesis
- Product Name:Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI)
- CAS Number:127828-22-2
- Molecular formula:C9H20N2O3
- Molecular Weight:204.27
![1,5-DIAMINO-3-OXAPENTANE](/CAS/GIF/2752-17-2.gif)
2752-17-2
168 suppliers
$65.00/1 G
![Di-tert-butyl dicarbonate](/CAS/GIF/24424-99-5.gif)
24424-99-5
840 suppliers
$13.50/25G
![Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI)](/CAS/GIF/127828-22-2.gif)
127828-22-2
146 suppliers
$25.00/250mg
Yield:127828-22-2 71.5%
Reaction Conditions:
in tetrahydrofuran at 0 - 20;
Steps:
4.2. N-(tert-Butyloxycarbonyl)-2,2'-oxybis(ethylamine) (1)
This compound was synthesized according to the procedure described previously with slight modifications.25 To a cooled (0 °C) solution of 2,2'-oxybis(ethylamine) (10.0 mL, 94.1 mmol) in methanol (1000 mL) was added dropwise a solution of di-tert-butyl dicarbonate ((Boc)2O; 10.3 g, 47.0 mmol) in THF (300 mL), and the mixture was stirred for 1 h at the same temperature and additional 24 h at room temperature. After removing the solvent in vacuo, the residue was dissolved in 1 N NaOH (200 mL), and extracted with chloroform (300 mL × 3). The organic phases were combined, dried over anhydrous MgSO4. The solvent was removed in vacuo to provide 1 as a colorless oil (6.88 g, 71.5%). 1H NMR (CDCl3): δ 1.39 (9H, s, Boc), 2.79-2.82 (2H, t, CH2), 3.24-3.28 (2H, dd, CH2), 3.41-3.43 (2H, t, CH2), 3.44-3.47 (2H, t, CH2), 5.00 (1H, d, NH). ESI-MS (M+H)+: m/z 205, found: 205
References:
Suzuki, Hiroyuki;Kanai, Ayaka;Uehara, Tomoya;Guerra Gomez, Francisco L.;Hanaoka, Hirofumi;Arano, Yasushi [Bioorganic and Medicinal Chemistry,2012,vol. 20,# 2,p. 978 - 984] Location in patent:experimental part
![Carbamic acid, N-[2-(2-azidoethoxy)ethyl]-, 1,1-dimethylethyl ester](/CAS/20200331/GIF/176220-30-7.gif)
176220-30-7
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![Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI)](/CAS/GIF/127828-22-2.gif)
127828-22-2
146 suppliers
$25.00/250mg
![Di-tert-butyl dicarbonate](/CAS/GIF/24424-99-5.gif)
24424-99-5
840 suppliers
$13.50/25G
![2,2'-OXYBIS(ETHYLAMINE) DIHYDROCHLORIDE](/CAS/GIF/60792-79-2.gif)
60792-79-2
109 suppliers
$36.00/250mg
![Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI)](/CAS/GIF/127828-22-2.gif)
127828-22-2
146 suppliers
$25.00/250mg
![Di-tert-butyl dicarbonate](/CAS/GIF/24424-99-5.gif)
24424-99-5
840 suppliers
$13.50/25G
![Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI)](/CAS/GIF/127828-22-2.gif)
127828-22-2
146 suppliers
$25.00/250mg
![t-Boc-N-Amido-PEG2-Ms](/CAS/20180808/GIF/302331-20-0.gif)
302331-20-0
28 suppliers
$480.00/1 G
![Carbamic acid, [2-(2-aminoethoxy)ethyl]-, 1,1-dimethylethyl ester (9CI)](/CAS/GIF/127828-22-2.gif)
127828-22-2
146 suppliers
$25.00/250mg