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CAS No.: | 2592-18-9 |
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Name: | Boc-L-Threonine |
Article Data: | 98 |
Molecular Structure: | |
Formula: | C9H17NO5 |
Molecular Weight: | 219.238 |
Synonyms: | Threonine,N-carboxy-, N-tert-butyl ester (7CI);Threonine, N-carboxy-, N-tert-butylester, L- (8CI);L-N-(tert-Butoxycarbonyl)threonine;N-(tert-Butoxycarbonyl)threonine;N-BOC-L-Threonine;N-tert-Butoxycarbonyl-L-threonine;N-tert-Butyloxycarbonyl-L-threonine;N-a-tert-Butoxycarbonyl-L-threonine;NSC 334305; |
EINECS: | 219-987-6 |
Density: | 1.202 g/cm3 |
Melting Point: | 80-82 °C(lit.) |
Boiling Point: | 387.1 °C at 760 mmHg |
Flash Point: | 187.9 °C |
Appearance: | White amorphous powder |
Hazard Symbols: | Xn |
Risk Codes: | 20/21/22-36/37/38 |
Safety: | 24/25-36-26 |
PSA: | 95.86000 |
LogP: | 0.73600 |
Conditions | Yield |
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With sodium hydrogencarbonate In methanol; water at 20℃; for 72h; | 99% |
With sodium hydroxide In 1,4-dioxane; water at 0 - 20℃; for 24h; | 99% |
With sodium carbonate In acetone at 20℃; Cooling with ice; | 95% |
Conditions | Yield |
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With triethylamine In water; N,N-dimethyl-formamide for 8h; Ambient temperature; | 98% |
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 8h; Ambient temperature; | A n/a B 98% |
Conditions | Yield |
---|---|
With dmap In 1,4-dioxane; water for 15h; Ambient temperature; | 96% |
N-Boc-O-benzyl-L-threonine
Boc-Thr-OH
Conditions | Yield |
---|---|
With ammonium formate; magnesium In ethylene glycol for 0.05h; microwave irradiation; | 95% |
With magnesium; hydrazinium monoformate In methanol at 25℃; for 1h; | 90% |
With formic acid; palladium on activated charcoal In methanol at 20℃; for 0.0833333h; |
O-(tert-butyl) S-(pyridin-2-yl)carbonothioate
A
2-Mercaptopyridine
B
Boc-Thr-OH
Conditions | Yield |
---|---|
With triethylamine In water; N,N-dimethyl-formamide for 12h; Ambient temperature; | A n/a B 92% |
Boc-Thr-ONbn
Boc-Thr-OH
Conditions | Yield |
---|---|
With tetrabutyl ammonium fluoride In N,N-dimethyl-formamide Ambient temperature; | 90% |
Boc-threonine [(2-trimethylsilyl)ethoxy]methyl ester
Boc-Thr-OH
Conditions | Yield |
---|---|
With magnesium bromide In dichloromethane for 4h; Ambient temperature; addition at -20 deg C, 0.5 h; | 80% |
Conditions | Yield |
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With dmap; triethylamine In water; acetonitrile for 24h; Ambient temperature; | 51% |
Conditions | Yield |
---|---|
With triethylamine In water; acetonitrile for 24h; Ambient temperature; | 48% |