Boc-N-Me-Val-OH
Synonym(s):Boc-N-methyl-L -valine;Boc-N-Me-Val-OH;N-α-t.-Boc-N-α-methyl-L-valine
- CAS NO.:45170-31-8
- Empirical Formula: C11H21NO4
- Molecular Weight: 231.29
- MDL number: MFCD00038760
- SAFETY DATA SHEET (SDS)
- Update Date: 2024-06-03 18:47:13
What is Boc-N-Me-Val-OH?
Chemical properties
White powder
The Uses of Boc-N-Me-Val-OH
N-Boc-N-methyl-L-valine is an amino acid derived compound that functions as a useful pharmaceutical intermediate and also employed as a reagent used in organic synthesis. It is used in the synthesis of lactam analog of actinomycin D, a potential antitumor chemotherapeutic agent.
Synthesis
To a solution of N-BOC-valine 1 (217 mg, 1 mmol) and iodomethane(1.42 g, 10 mmol) in anhydrous tetrahydrofuran (THF,20 mL) was added neat sodium hydride (240 mg, 10 mmol). The reaction mixture was stirred at room temperature for 24 hours. The mixture was then quenched with water (30 mL). The reaction mixture was extracted with ethyl acetate (EtOAc, 2 15 mL) and the aqueous solution was acidified to pH 3, after which it was extracted with EtOAc (3 20 mL). The combined organic phase was dried over anhydrous Na2SO4 and evaporated to afford the corresponding Boc-N-Me-Val-OH (thick colorless oil), 99% yield.
References
[1] Masashi Shiotsuki. “Molecular weight dependence of helical conformation of amino acid-based polyphenylacetylenes.” Journal of Polymer Science Part A: Polymer Chemistry 49 22 (2011): 4921–4925.
Properties of Boc-N-Me-Val-OH
Melting point: | 45-60°C |
Boiling point: | 322.4±21.0 °C(Predicted) |
alpha | -94 º (c=0.5% in ethanol) |
Density | 1.069±0.06 g/cm3(Predicted) |
storage temp. | Keep in dark place,Sealed in dry,Room Temperature |
solubility | Chloroform (Slightly), Ethanol (Slightly), Methanol (Slightly) |
form | Solid |
pka | 4.03±0.10(Predicted) |
color | Off-White |
optical activity | [α]20/D 94±3°, c = 0.5% in ethanol |
BRN | 2646180 |
InChI | InChI=1S/C11H21NO4/c1-7(2)8(9(13)14)12(6)10(15)16-11(3,4)5/h7-8H,1-6H3,(H,13,14)/t8-/m0/s1 |
CAS DataBase Reference | 45170-31-8(CAS DataBase Reference) |
Safety information for Boc-N-Me-Val-OH
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-N-Me-Val-OH
InChIKey | XPUAXAVJMJDPDH-QMMMGPOBSA-N |
SMILES | C(O)(=O)[C@H](C(C)C)N(C(OC(C)(C)C)=O)C |
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