Carbamic acid, [(3R,4S)-4-fluoro-3-pyrrolidinyl]-, 1,1-dimethylethyl ester, rel-

Base Information

• Chemical Name: Carbamic acid, [(3R,4S)-4-fluoro-3-pyrrolidinyl]-, 1,1-dimethylethyl ester, rel-
• CAS No.: 169750-42-9
• Molecular Formula: C₉H₁₇FN₂O₂
• Molecular Weight: 204.245
• Mol file: 169750-42-9.mol

Synonyms:Carbamic acid, [(3R,4S)-4-fluoro-3-pyrrolidinyl]-, 1,1-dimethylethyl ester, rel-;cis-(3-Boc-aMino)-4-fluoropyrrolidine;tert-Butyl (cis-4-fluoropyrrolidin-3-yl)carbamate

Chemical Property of Carbamic acid, [(3R,4S)-4-fluoro-3-pyrrolidinyl]-, 1,1-dimethylethyl ester, rel-

Chemical Property:

• Boiling Point: 295.3±40.0 °C(Predicted)
• PKA: 11.18±0.40(Predicted)
• PSA: 50.36000
• Density: 1.10±0.1 g/cm3(Predicted)
• LogP: 1.54070
• Storage Temp.: under inert gas (nitrogen or Argon) at 2–8 °C

Purity/Quality:

99%, ^*data from raw suppliers

cis-(3-Boc-amino)-4-fluoropyrrolidine 97.0% ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of Carbamic acid, [(3R,4S)-4-fluoro-3-pyrrolidinyl]-, 1,1-dimethylethyl ester, rel-

There total 5 articles about Carbamic acid, [(3R,4S)-4-fluoro-3-pyrrolidinyl]-, 1,1-dimethylethyl ester, rel- 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: 88.0%

(3R,4R)-benzyl 3-((tert-butoxycarbonyl)amino)-4-fluoropyrrolidine-1-carboxylate → tert-butyl ((3R,4R)-4-fluoropyrrolidin-3-yl)carbamate (169750-42-9,213388-71-7,213388-72-8,1033718-89-6,1033718-91-0)

Guidance literature:

With palladium 10% on activated carbon; hydrogen; In methanol; water; for 3h;

Reference yield:

tert-butyl ((3S,4R)-4-fluoro-1-(2,2,2-trifluoroacetyl)pyrrolidin-3-yl)carbamate → tert-butyl ((3S,4R)-4-fluoropyrrolidin-3-yl)carbamate (169750-42-9,213388-71-7,213388-72-8,1033718-89-6,1033718-91-0)

Guidance literature:

With potassium carbonate; In methanol; at 25 ℃; for 5h;

DOI:10.1055/s-0037-1611553

Reference yield:

trans-benzyl 3-((tert-butoxycarbonyl)amino)-4-fluoropyrrolidine-1-carboxylate → tert-butyl ((3R,4R)-4-fluoropyrrolidin-3-yl)carbamate (169750-42-9,213388-71-7,213388-72-8,1033718-89-6,1033718-91-0)

Guidance literature:

Multi-step reaction with 2 steps

1: Chiralcel OJ-H 21.2×250 mm / methanol; carbon dioxide / 36 °C / 75007.5 Torr / Resolution of racemate; liquid CO2

2: hydrogen; palladium 10% on activated carbon / methanol; water / 3 h

With palladium 10% on activated carbon; hydrogen; In methanol; carbon dioxide; water;