4-ISOCYANATO-TEMPO

Base Information

• Chemical Name: 4-ISOCYANATO-TEMPO
• CAS No.: 88418-69-3
• Molecular Formula: C10H17 N2 O2
• Molecular Weight: 197.25418
• Mol file: 88418-69-3.mol

Synonyms:4-ISOCYANATO-TEMPO;4-Isocyanato-2,2,6,6-tetramethyl-1-piperidinyloxy;4-Isocyanato-TEMPO, Technical grade (approximately 85%)

Chemical Property of 4-ISOCYANATO-TEMPO

Chemical Property:

• Vapor Pressure: 0.0018mmHg at 25°C
• Melting Point: 102°C
• Boiling Point: 271.5°C at 760 mmHg
• Flash Point: 118°C
• PSA: 32.67000
• LogP: 1.62720
• Storage Temp.: -20°C Freezer
• Solubility.: Chloroform (Slightly), Methanol (Slightly)

Purity/Quality:

99% ^*data from raw suppliers

4-Isocyanato-TEMPO ^*data from reagent suppliers

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

SDS file from LookChem

Useful:

• Uses: 4-isocyanato TEMPO is used to label RNA and analyze by EPR Used to label RNA and analyze by EPR.

Technology Process of 4-ISOCYANATO-TEMPO

There total 3 articles about 4-ISOCYANATO-TEMPO 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: 87.0%

4-amino-2,2,6,6-tetramethyl-1-piperidine-1-oxyl (14691-88-4,78774-22-8) + trichloromethyl chloroformate (503-38-8) → 4-isocyanato-2,2,6,6-tetramethylpiperidine-1-oxyl (88418-69-3)

Guidance literature:

In dichloromethane; for 0.0333333h;

DOI:10.1021/ja005649i

Reference yield:

4-isocyano-2,2,6,6-tetramethylpiperidine-1-oxyl (37654-42-5) → 4-isocyanato-2,2,6,6-tetramethylpiperidine-1-oxyl (88418-69-3)

Guidance literature:

With 3-chloro-benzenecarboperoxoic acid; In chloroform; at -3 ℃; for 1h;

DOI:10.1021/ol036298q

Reference yield:

carbon dioxide (124-38-9,18923-20-1) + 4-(diethylphosphorylamino)-2,2,6,6-tetramethylpiperidine-1-oxyl (88418-68-2) → 4-isocyanato-2,2,6,6-tetramethylpiperidine-1-oxyl (88418-69-3) + di-(2,2,6,6-tetramethyl-1-oxyl-piperidin-4-yl)carbodiimide (78140-61-1) + N,N'-di-(2,2,6,6-tetramethyl-1-oxyl-piperidin-4-yl)-N-diethylphosphorylurea (88418-70-6)

Guidance literature:

With sodium hydride; Yield given. Multistep reaction. Yields of byproduct given; 1) DME, 4 h; 2) reflux, 1 h, DME;

DOI:10.1007/BF00954670

upstream raw materials:

carbon dioxide

4-(diethylphosphorylamino)-2,2,6,6-tetramethylpiperidine-1-oxyl

4-amino-2,2,6,6-tetramethyl-1-piperidine-1-oxyl

trichloromethyl chloroformate

Downstream raw materials:

4-<(2,4-dioxo-5-fluoro-1,2,3,4-tetrahydro-1-pyrimidinyl)carbonylamino>-2,2,6,6-tetramethyl-1-piperidinyloxyl

N-(2,2,6,6-tetramethylpiperidin-1-oxyl-4-yl)morpholine-4-carboxamide

C₁₉H₂₈N₃O₄

1-(2,2,6,6-tetramethylpiperidin-1-oxyl-4-yl)-3-(2-deoxy-1,3,4,6-tetra-O-acetyl-D-glucos-2-yl)-1-nitrosourea

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