(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid

Base Information

• Chemical Name: (R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid
• CAS No.: 893842-76-7
• Molecular Formula: C11H16N2O5
• Molecular Weight: 256.26
• Hs Code.: 2934999090
• Mol file: 893842-76-7.mol

Synonyms:(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid;

Chemical Property of (R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid

Chemical Property:

• PSA: 101.66000
• LogP: 2.34940
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

(R)-5-(1-(tert-Butoxycarbonylamino)-ethyl)isoxazole-3-carboxylic acid 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

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Technology Process of (R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid

There total 2 articles about (R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid 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:

(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid ethyl ester (893444-15-0) → (R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid (893842-76-7)

Guidance literature:

(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid ethyl ester; With lithium hydroxide; water; In tetrahydrofuran; at 20 ℃; for 1h;

With hydrogenchloride; water; pH=2;

Reference yield:

→ (R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid (893842-76-7)

Guidance literature:

Reference yield: 88.8%

(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid (893842-76-7) + 4-(trifluoromethyl)-1,2-phenylenediamine (368-71-8) → (R)-tert-butyl 1-(3-(6-(trifluoromethyl)-1H-benzo[d]imidazol-2-yl)isoxazol-5-yl)ethylcarbamate (1095824-21-7)

Guidance literature:

(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid; With triethylamine; isobutyl chloroformate; In tetrahydrofuran; at -20 ℃; for 1h;

4-(trifluoromethyl)-1,2-phenylenediamine; In tetrahydrofuran; at -20 - 20 ℃; for 4h;

With water; sodium carbonate; acetic acid; more than 3 stages;

upstream raw materials:

(R)-5-(1-(tert-butoxycarbonylamino)ethyl)isoxazole-3-carboxylic acid ethyl ester

Downstream raw materials:

(R)-tert-butyl 1-(3-(6-(trifluoromethyl)-1H-benzo[d]imidazol-2-yl)isoxazol-5-yl)ethylcarbamate

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