BOC-N-ALPHA-METHYL-L-ALANINE
boc-N-methyl-L-alanine
CAS: 16948-16-6
Molecular Formula: C9H17NO4
BOC-N-ALPHA-METHYL-L-ALANINE - Names and Identifiers
| Name | boc-N-methyl-L-alanine |
| Synonyms | BOC-MEALA-OH Boc-MeAla-OH BOC-L-MEALA-OH BOC-N-ME-ALA-OH Boc-N-Me-Ala-OH BOC-N-ME-ALANINE BOC-N-ME-S-ALA-OH BOC-N-METHYL-L-ALA-OH boc-N-methyl-L-alanine BOC-N-METHYL-L-ALANINE N-Boc-N-methyl-L-alanine BOC-N-ALPHA-METHYL-L-ALANINE Boc-N-Me-Ala-OH [Boc-N-methyl-L-alanine] N-(tert-butoxycarbonyl)-N-methyl-L-alanine N-alpha-t-butyloxycabonyl-N-alpha-Methyl-L-alanine |
| CAS | 16948-16-6 |
| EINECS | 1533716-785-6 |
| InChI | InChI=1/C9H17NO4/c1-6(7(11)12)10(5)8(13)14-9(2,3)4/h6H,1-5H3,(H,11,12)/t6-/m0/s1 |
BOC-N-ALPHA-METHYL-L-ALANINE - Physico-chemical Properties
| Molecular Formula | C9H17NO4 |
| Molar Mass | 203.24 |
| Density | 1.111±0.06 g/cm3(Predicted) |
| Melting Point | 88-92°C |
| Boling Point | 296.3±19.0 °C(Predicted) |
| Flash Point | 133°C |
| Solubility | Chloroform (Slightly), DMSO (Slightly), Ethanol (Slightly), Methanol (Slightly) |
| Vapor Presure | 0.00035mmHg at 25°C |
| Appearance | Almost white powder |
| Color | White |
| BRN | 2366513 |
| pKa | 4.03±0.10(Predicted) |
| Storage Condition | Keep in dark place,Sealed in dry,Room Temperature |
| Refractive Index | 1.466 |
| MDL | MFCD00037242 |
BOC-N-ALPHA-METHYL-L-ALANINE - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| HS Code | 2924 19 00 |
| Hazard Class | IRRITANT |
BOC-N-ALPHA-METHYL-L-ALANINE - Reference Information
| application | BOC-N-methyl-L-alanine can be used not only for protein synthesis, but also as flavor enhancer, preservative and preservative in food field, as pharmaceutical raw materials in medicine field and mild surfactant synthesis in daily chemical field. |
| preparation | tetrahydrofuran (80 mL) solution of 1- boc-alanine (5g, 26.4 mmol) was added, fine powder KOH (10.4g, 187 mmol) was added at 0 ℃, and then tetrabutylammonium bisulfate (0.5g, 10% by weight) was added. Then, dimethyl sulfate (10 mL, 105 mmol) was added dropwise for more than 15 minutes. Stir for another 30 minutes and add water (50 mL). After stirring at room temperature for 5 hours, 20% ammonium hydroxide aqueous solution (20 mL) was added. Dilute the reaction with ether (100 mL), separate the water layer, and extract the organic layer with saturated NaHCO3 aqueous solution (2 × 40 mL). The mixed water layer was acidified with 1M KHSO4 to pH 1 and extracted with ethyl acetate (2x200 mL). The organic layers are combined, dried (Na2SO4), filtered and concentrated. The resulting product was identified as BOC-N-methyl-L-alanine. Butter, yield 4.3g, 80%. |
Last Update：2024-04-10 22:29:15
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