tert-butyl (1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate

Base Information

• Chemical Name: tert-butyl (1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate
• CAS No.: 1172623-95-8
• Molecular Formula: C12H20N2O4
• Molecular Weight: 256.302
• Mol file: 1172623-95-8.mol

Synonyms:tert-butyl (1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate;tert-Butyl [1-[methoxy(methyl)amino]-1-oxo-4-pentyn-2-yl]carbamate;(1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate

Chemical Property of tert-butyl (1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate

Chemical Property:

• Melting Point: 103-104 °C
• PKA: 10.55±0.46(Predicted)
• PSA: 67.87000
• Density: 1.096±0.06 g/cm3(Predicted)
• LogP: 1.31370
• Storage Temp.: 2-8°C

Purity/Quality:

97% ^*data from raw suppliers

tert-Butyl(1-(methoxy(methyl)amino)-1-oxopent-4-yn-2-yl)carbamate 95+% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of tert-butyl (1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate

There total 10 articles about tert-butyl (1-[Methoxy(Methyl)aMino]-1-oxopent-4-yn-2-yl)carbaMate 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: 96.0%

N,O-dimethylhydroxylamine*hydrochloride (6638-79-5) + 2-((tert-butoxycarbonyl)amino)pent-4-ynoic acid (61172-66-5) → (±)-tert-butyl (1-(methoxy(methyl)amino)-1-oxopent-4-yn-2-yl)carbamate (1172623-95-8)

Guidance literature:

2-((tert-butoxycarbonyl)amino)pent-4-ynoic acid; With 1,1'-carbonyldiimidazole; In N,N-dimethyl-formamide; at 0 - 5 ℃; for 0.5h; Inert atmosphere;

N,O-dimethylhydroxylamine*hydrochloride; In N,N-dimethyl-formamide; for 0.5h; Inert atmosphere;

DOI:10.1021/ol9026667

Reference yield: 88.2%

N,O-dimethylhydroxylamine*hydrochloride (6638-79-5) + 2-((tert-butoxycarbonyl)amino)pent-4-ynoic acid (61172-66-5) + 1,1'-carbonyldiimidazole (530-62-1) → (±)-tert-butyl (1-(methoxy(methyl)amino)-1-oxopent-4-yn-2-yl)carbamate (1172623-95-8)

Guidance literature:

2-((tert-butoxycarbonyl)amino)pent-4-ynoic acid; 1,1'-carbonyldiimidazole; In N,N-dimethyl-formamide; at 0 - 10 ℃; for 1h;

N,O-dimethylhydroxylamine*hydrochloride; In N,N-dimethyl-formamide; at 20 ℃;

Reference yield:

propargyl benzenesulfonate (6165-75-9) + di-tert-butyl dicarbonate (24424-99-5) + N-(diphenylmethylene)glycine ethyl ester (71086-42-5) + N,O-dimethylhydroxylamine*hydrochloride (6638-79-5) → (±)-tert-butyl (1-(methoxy(methyl)amino)-1-oxopent-4-yn-2-yl)carbamate (1172623-95-8)

Guidance literature:

propargyl benzenesulfonate; N-(diphenylmethylene)glycine ethyl ester; With tetrabutylammomium bromide; caesium carbonate; In tert-butyl methyl ether; at 50 - 60 ℃; for 24h;

di-tert-butyl dicarbonate; In tert-butyl methyl ether; at 5 - 20 ℃; for 8h;

N,O-dimethylhydroxylamine*hydrochloride; Further stages;

upstream raw materials:

N,O-dimethylhydroxylamine*hydrochloride

2-((tert-butoxycarbonyl)amino)pent-4-ynoic acid

propargyl benzenesulfonate

di-tert-butyl dicarbonate

Downstream raw materials:

(±)-tert-butyl (1-(2,5-difluorophenyl)-1-oxopent-4-yn-2-yl)carbamate

C₁₆H₁₉NO₃

tert-butyl [(2R,3S)-2-(2,5-difluorophenyl)-3,4-dihydro-2H-pyran-3-yl]carbamate

tert-butyl [(2R,3S)-2-(2,5-difluorophenyl)-5-hydroxytetrahydro-2H-pyran-3-yl]carbamate