Boc-O-tert-butyl-L-threonine
Synonym(s):(S)-3-tert-Butoxy-2-tert-butoxycarbonylamino-butyric acid;Boc-O-tert-butyl-L -threonine;Boc-Thr(tBu)-OH;N-α-t.-Boc-O-t.-butyl-L-threonine
- CAS NO.：13734-40-2
- Empirical Formula: C13H25NO5
- Molecular Weight: 275.34
- MDL number: MFCD00151115
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:20:41
What is Boc-O-tert-butyl-L-threonine?
The Uses of Boc-O-tert-butyl-L-threonine
N-Boc-O-tert-butyl-L-threonine is used as pharmaceutical intermediate.
General Description
Boc-Thr(t-Bu)-OH (N-Boc-O-tert-butyl-L-threonine) participates in the synthesis of 2,3-unsaturated glycosides, via reaction with per-O-acetylated glucal in the presence of Er(OTf)3 catalyst.
Properties of Boc-O-tert-butyl-L-threonine
| Melting point: | 95-98 °C |
| Boiling point: | 391.3±37.0 °C(Predicted) |
| Density | 1.070±0.06 g/cm3(Predicted) |
| storage temp. | 2-8°C |
| solubility | Soluble in DMF. |
| form | Solid |
| pka | 3.53±0.10(Predicted) |
| color | White to off-white |
| optical activity | [α]20/D +3.6±0.5°, c = 2% in DMF |
| BRN | 4454820 |
| CAS DataBase Reference | 13734-40-2(CAS DataBase Reference) |
Safety information for Boc-O-tert-butyl-L-threonine
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for Boc-O-tert-butyl-L-threonine
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