23680-31-1
N-alpha-t-BOC-o-benzyl-L-serine
CAS: 23680-31-1
Molecular Formula: C15H21NO5
23680-31-1 - Names and Identifiers
| Name | N-alpha-t-BOC-o-benzyl-L-serine |
| Synonyms | Boc-Ser(Bzl)-OH Boc-Ser(Bz1)-OH N-BOC-O-Benzyl-L-ser N-BOC-O-BENZYL-SERINE N-Boc-O-benzyl-L-serine N-alpha-t-BOC-o-benzyl-L-serine L-SERINE-N-T-BOC, O-BZ ETHER (15N) L-SERINE-N-T-BOC, O-BZ ETHER (2-13C) N-Boc-O-benzyl-L-serineBoc-Ser(Bzl)-OH O-benzyl-N-(tert-butoxycarbonyl)serine Nα-tert-Butoxycarbonyl-O-benzyl-L-serine (2S)-3-Benzyloxy-2-(tert-butoxycarbonylamino)propanoic acid (2S)-3-(benzyloxy)-2-[(tert-butoxycarbonyl)amino]propanoate (S)-3-(benzyloxy)-2-((tert-butoxycarbonyl)aMino)propanoic acid |
| CAS | 23680-31-1 |
| EINECS | 245-820-1 |
| InChI | InChI=1/C15H21NO5/c1-15(2,3)21-14(19)16-12(13(17)18)10-20-9-11-7-5-4-6-8-11/h4-8,12H,9-10H2,1-3H3,(H,16,19)(H,17,18)/p-1/t12-/m0/s1 |
| InChIKey | DMBKPDOAQVGTST-LBPRGKRZSA-N |
23680-31-1 - Physico-chemical Properties
| Molecular Formula | C15H21NO5 |
| Molar Mass | 295.33 |
| Density | 1.1454 (rough estimate) |
| Melting Point | 58-60°C(lit.) |
| Boling Point | 437.02°C (rough estimate) |
| Specific Rotation(α) | 21.5 º (c=2, ethanol) |
| Flash Point | 229.7°C |
| Vapor Presure | 4.07E-09mmHg at 25°C |
| Appearance | White crystal or powder |
| Color | White to Almost white |
| BRN | 3064461 |
| pKa | 3.53±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 22 ° (C=2, EtOH) |
| MDL | MFCD00066063 |
| Physical and Chemical Properties | White crystalline powder; Insoluble in water and petroleum ether, soluble in ethyl acetate, acetic acid and ethanol; mp is 56-58 ℃; Specific optical rotation [α]20D 20 °(0.5-2.0 mg/ml, acetic acid). |
23680-31-1 - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S24/25 - Avoid contact with skin and eyes. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 2924 29 70 |
| Hazard Class | IRRITANT |
23680-31-1 - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| Use | Used for polypeptide synthesis and as an amino acid protective monomer. |
| Production method | Suspended O-benzyl-L-serine in dioxane solution, acylation with tert-butoxycarbonyl azide to obtain a crude product, extracted with ethyl acetate at pH 9-10, and then refined by recrystallization. |
Last Update：2024-04-10 22:29:15
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