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Home > Product > Chemicals > TEMPO

Powdery form, easy to handle


This product is a stable nitroxyl radical. In TEMPO-mediated oxidation, catalytic amount of this product and reoxidant such as hypochlorite or hypervalent iodine are used.
In general, when primary alcohol and secondary alcohol coexist, primary alcohol is oxidated in a functional group-selective manner into aldehyde. Also, reaction condition can be optimized to obtain carboxylic acid from primary alcohols.


  1. Features
  2. Reaction Examples
  3. Product List

1. Features

  • Selectively oxidates primary alcohols
  • Crystalline powder, easy to handle


2. Reaction examples

Reaction examples

  1. Bode, J. W. and Carreira, E. M.: J. Org. Chem., 66, 6410 (2001).
  2. Zhao, M., Li, J., Mano, E., Song, Z., Tschaen, D. M., Grabowski, E. J. J. and Reider, P. J.: J. Org. Chem., 64, 2564 (1999).

3. Product List

Product Name Package Size Wako Catalog No. Grade
    2,2,6,6-Tetramethyl-1-piperidinyloxy, Radical   [TEMPO] 5 g 209-19501 for Organic Synthesis
25 g 207-19502
100 g 205-19503
    nor-AZADO 100 mg 012-24981
500 mg 018-24983
    AZADOL® 100 mg 010-24921
1 g 016-24923
5 g 014-24924
    1-Methyl-2-azaadamantane-N-oxyl   [1-Me-AZADO] 100 mg 132-15261
500 mg 138-15263
AZADOL® is a registered trademark of Nissan Chemical Industries, Ltd.

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