(S) ALFA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER

Base Information

• Chemical Name: (S) ALFA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER
• CAS No.: 83079-77-0
• Molecular Formula: C14H21NO2
• Molecular Weight: 235.326
• Hs Code.: 2922499990
• Mol file: 83079-77-0.mol

Synonyms:(S) ALFA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER;(S) ALPHA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER;Aminobenzenebutanoic acid dimethylethyl ester;L-HoMophenylalanine tert-Butyl Ester

Chemical Property of (S) ALFA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER

Chemical Property:

• Vapor Pressure: 1.23E-05mmHg at 25°C
• Boiling Point: 363.6°C at 760 mmHg
• PKA: 7.47±0.35(Predicted)
• Flash Point: 173.7°C
• PSA: 52.32000
• Density: 1.028±0.06 g/cm3(Predicted)
• LogP: 2.98850

Purity/Quality:

97% ^*data from raw suppliers

L-Homophenylalaninetert-ButylEster 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of (S) ALFA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER

There total 3 articles about (S) ALFA AMINOBENZENEBUTANOIC ACID 1,1-DIMETHYLETHYL ESTER which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 80.0%

t-butyl 2-oxo-4-phenylbutanoate → (S)-α-(2-phenylethyl)glycine, tert-butyl ester (83079-77-0)

Guidance literature:

t-butyl 2-oxo-4-phenylbutanoate; With C₄₃H₅₅N₃O₃S; 2-CHLOROBENZYLAMINE; at 50 ℃; for 72h;

With hydrogenchloride; In tetrahydrofuran; enantioselective reaction;

DOI:10.1021/ol302427d

Reference yield:

D-homophenylalanine (943-73-7) + isobutene (115-11-7,15220-85-6) → (S)-α-(2-phenylethyl)glycine, tert-butyl ester (83079-77-0)

Guidance literature:

With sulfuric acid; In 1,4-dioxane; at -78 - 20 ℃; for 72h;

Reference yield:

t-butyl 2-oxo-4-phenylbutanoate → (R)-tert-butyl 2-amino-4-phenylbutanoate (740055-30-5) + (S)-α-(2-phenylethyl)glycine, tert-butyl ester (83079-77-0)

Guidance literature:

t-butyl 2-oxo-4-phenylbutanoate; With 2-Hydroxybenzylamine; C₂₃H₃₀N₂O₂; In benzene; at 25 ℃; for 48h; Inert atmosphere; Molecular sieve;

With hydrogenchloride; water; In tetrahydrofuran; at 20 ℃; for 5h;

With sodium hydrogencarbonate; In water; pH=8; optical yield given as %ee; enantioselective reaction;

DOI:10.1016/j.tet.2012.06.023

upstream raw materials:

D-homophenylalanine

isobutene

Downstream raw materials:

N-<1(R)-(benzyloxycarbonyl)ethyl>-α-(S)-(2-phenylethyl)glycine, tert-butyl ester

(S)-2-((S)-1-Carboxy-2-phenyl-ethylamino)-4-phenyl-butyric acid tert-butyl ester

C₂₁H₂₅NO₃

carfilzomib