RAC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4, 4-(5-SPIROHYDANTOIN)

Base Information

• Chemical Name: RAC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4, 4-(5-SPIROHYDANTOIN)
• CAS No.: 15871-56-4
• Molecular Formula: C11H18N3O3
• Molecular Weight: 241.28700
• Mol file: 15871-56-4.mol

Synonyms:8-hydroxy-7,7,9,9-tetramethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione;

Chemical Property of RAC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4, 4-(5-SPIROHYDANTOIN)

Chemical Property:

• Melting Point: 240-245°C
• PSA: 88.65000
• Density: 1.28g/cm3
• LogP: 0.46060
• Storage Temp.: Refrigerator
• Solubility.: DMF, Methanol

Purity/Quality:

95% ^*data from raw suppliers

rac-2,2,6,6-Tetramethylpiperidine-N-oxyl-4,4-(5-spirohydantoin) ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: rac-2,2,6,6-Tetramethylpiperidine-N-oxyl-4, 4-(5-spirohydantoin) (cas# 15871-56-4) is a compound useful in organic synthesis.

Technology Process of RAC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4, 4-(5-SPIROHYDANTOIN)

There total 2 articles about RAC-2,2,6,6-TETRAMETHYLPIPERIDINE-N-OXYL-4, 4-(5-SPIROHYDANTOIN) 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: 85.0%

4-oxo-2,2,6,6-tetramethylpiperidin-oxyl (45985-26-0,2896-70-0) + sodium cyanide (143-33-9,25596-52-5) + ammonium carbonate (506-87-6,6721-33-1,10361-29-2) → 2',5'-Dioxo-2,2,6,6-tetramethyl-piperidin-(4-spiro-4')-imid-azolidin-oxyl-(1) (15871-56-4)

Guidance literature:

In ethanol;

Reference yield:

→ 2',5'-Dioxo-2,2,6,6-tetramethyl-piperidin-(4-spiro-4')-imid-azolidin-oxyl-(1) (15871-56-4)

Guidance literature:

4-Oxo-2,2,6,6-tetramethyl-piperidin-oxyl-(1), Ammoniumcarbonat, NaCN, wss. A., (50grad);

Reference yield: 92.0%

2',5'-Dioxo-2,2,6,6-tetramethyl-piperidin-(4-spiro-4')-imid-azolidin-oxyl-(1) (15871-56-4) → 4-Amino-4-carboxy-2,2,6,6-tetramethylpiperidine-1-oxyl radical (15871-57-5)

Guidance literature:

With barium dihydroxide; at 140 ℃; for 48h;

upstream raw materials:

4-oxo-2,2,6,6-tetramethylpiperidin-oxyl

sodium cyanide

ammonium carbonate

Downstream raw materials:

4-Amino-4-carboxy-2,2,6,6-tetramethylpiperidine-1-oxyl radical

4-<(9-fluorenylmethyloxycarbonyl)amino>-4-carboxy-2,2,6,6-tetramethylpiperidine-N-oxyl

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