Carbamic acid, [(1R)-1-methyl-3-oxopropyl]-, 1,1-dimethylethyl ester (9CI)

Base Information

• Chemical Name: Carbamic acid, [(1R)-1-methyl-3-oxopropyl]-, 1,1-dimethylethyl ester (9CI)
• CAS No.: 497861-77-5
• Molecular Formula: C₉H₁₇NO₃
• Molecular Weight: 187.239
• Mol file: 497861-77-5.mol

Synonyms:Carbamic acid, [(1R)-1-methyl-3-oxopropyl]-, 1,1-dimethylethyl ester (9CI)

Chemical Property of Carbamic acid, [(1R)-1-methyl-3-oxopropyl]-, 1,1-dimethylethyl ester (9CI)

Chemical Property:

• Boiling Point: 279.9±23.0 °C(Predicted)
• PKA: 12.11±0.46(Predicted)
• PSA: 55.40000
• Density: 1.000±0.06 g/cm3(Predicted)
• LogP: 1.87950
• Storage Temp.: Inert atmosphere,Store in freezer, under -20°C

Purity/Quality:

99% ^*data from raw suppliers

(R)-tert-Butyl(4-oxobutan-2-yl)carbamate 97% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Carbamic acid, [(1R)-1-methyl-3-oxopropyl]-, 1,1-dimethylethyl ester (9CI)

There total 9 articles about Carbamic acid, [(1R)-1-methyl-3-oxopropyl]-, 1,1-dimethylethyl ester (9CI) 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: 93.0%

(-)-tert-butyl [(R)-3-hydroxy-1-methylpropyl]carbamate (167216-17-3,146514-31-0) → (+)-tert-butyl [(R)-1-methyl-3-oxopropyl]carbamate (497861-77-5,186743-06-6)

Guidance literature:

With oxalyl dichloride; dimethyl sulfoxide; triethylamine; In dichloromethane; Inert atmosphere; Cooling;

DOI:10.1002/chem.200901316

Reference yield: 88.0%

(R)-tert-butyl 4-(methoxy(methyl)amino)-4-oxobutan-2-ylcarbamate (842103-83-7) → (+)-tert-butyl [(R)-1-methyl-3-oxopropyl]carbamate (497861-77-5,186743-06-6)

Guidance literature:

With diisobutylaluminium hydride; at -78 ℃;

DOI:10.1016/j.bmcl.2007.11.067

Reference yield:

benzyl N-Boc-(3R)-aminobutanoate (163188-28-1) → (+)-tert-butyl [(R)-1-methyl-3-oxopropyl]carbamate (497861-77-5,186743-06-6)

Guidance literature:

benzyl N-Boc-(3R)-aminobutanoate; With diisobutylaluminium hydride; In dichloromethane; toluene; at -78 ℃; for 2h;

With methanol; In dichloromethane; toluene;

With water; Rochelle's salt; In dichloromethane; toluene; at 0 - 20 ℃; for 0.5h;

upstream raw materials:

(R)-tert-butyl 4-(methoxy(methyl)amino)-4-oxobutan-2-ylcarbamate

benzyl N-Boc-(3R)-aminobutanoate

(-)-tert-butyl [(R)-3-hydroxy-1-methylpropyl]carbamate

di-tert-butyl dicarbonate

Downstream raw materials:

C₂₁H₃₂N₂O₆