Carbamic acid, [(1R)-1-(hydroxymethyl)-2-propynyl]-, 1,1-dimethylethyl ester

Base Information

• Chemical Name: Carbamic acid, [(1R)-1-(hydroxymethyl)-2-propynyl]-, 1,1-dimethylethyl ester
• CAS No.: 162107-49-5
• Molecular Formula: C₉H₁₅NO₃
• Molecular Weight: 185.223
• Hs Code.: 2924199090
• Mol file: 162107-49-5.mol

Synonyms:Carbamicacid, [(1R)-1-(hydroxymethyl)-2-propynyl]-, 1,1-dimethylethyl ester (9CI);Carbamic acid, [1-(hydroxymethyl)-2-propynyl]-, 1,1-dimethylethyl ester, (R)-

Chemical Property of Carbamic acid, [(1R)-1-(hydroxymethyl)-2-propynyl]-, 1,1-dimethylethyl ester

Chemical Property:

• Vapor Pressure: 8.62E-06mmHg at 25°C
• Refractive Index: 1.477
• Boiling Point: 335°C at 760 mmHg
• PKA: 10.83±0.46(Predicted)
• Flash Point: 156.4°C
• PSA: 58.56000
• Density: 1.062g/cm³
• LogP: 1.28620
• Storage Temp.: 2-8°C

Purity/Quality:

98%Min ^*data from raw suppliers

(R)-2-(Boc-Amino)-but-3-yn-ol ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

Technology Process of Carbamic acid, [(1R)-1-(hydroxymethyl)-2-propynyl]-, 1,1-dimethylethyl ester

There total 1 articles about Carbamic acid, [(1R)-1-(hydroxymethyl)-2-propynyl]-, 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:

di-tert-butyl dicarbonate (24424-99-5) + (R)-2-Amino-but-3-yn-1-ol (104173-33-3) → (S)-tert-butyl (1-hydroxybut-3-yn-2-yl)carbamate (275388-05-1) + (R)-tert-butyl (1-hydroxybut-3-yn-2-yl)carbamate (162107-49-5)

Guidance literature:

With sodium carbonate; In 1,4-dioxane; water; at 0 ℃; Title compound not separated from byproducts;

DOI:10.1016/0040-4039(94)02384-N

Reference yield: 32.0%

(R)-tert-butyl (1-hydroxybut-3-yn-2-yl)carbamate (162107-49-5) → N-propynoyl-1,1-dimethylethyl carbamate + N-Boc-D-ethynyl glycine (162107-50-8)

Guidance literature:

With jones reagent; In acetone; at 0 ℃; for 2h;

DOI:10.1016/0040-4020(96)00630-8

Reference yield:

(S)-(+)-2-methoxy-2-trifluoromethyl-2-phenylacetyl chloride (39637-99-5,20445-33-4) + (R)-tert-butyl (1-hydroxybut-3-yn-2-yl)carbamate (162107-49-5) → (S)-3,3,3-Trifluoro-2-methoxy-2-phenyl-propionic acid (R)-2-tert-butoxycarbonylamino-but-3-ynyl ester

Guidance literature:

With pyridine; In tetrachloromethane; for 1h; Ambient temperature;

DOI:10.1021/jo970619s

upstream raw materials:

di-tert-butyl dicarbonate

(R)-2-Amino-but-3-yn-1-ol

Downstream raw materials:

N-Boc-D-ethynyl glycine

Boc-D-Abu

N-propanoyl-1,1-dimethylethyl carbamate

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