Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1988-03-04
1990-05-15
Sutto, Anton H.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
C07D24144
Patent
active
049259415
ABSTRACT:
A quinoxaline is oxidized by means of hydrogen peroxide in an inert solvent medium in the presence of water and of a catalyst selected from selenium and selenium compounds.
The process applies to the preparation of substituted and unsubstituted 2,3-dihydroxyquinoxalines.
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Kirk-Othmer Encyclopedia of Chemical Technology Third Edition, vol. 20, pp. 591-593 (1982).
Newbold et al., "The Oxidation of 2--hydroxyquinoxaline and its Derivatives with Hydrogen Peroxide", Journal Chemical Society, 1948, pp. 519-522.
Landquist et al., "Derivatives of Py-Hydroxalkyl-, -Aminoalkyl-, and -Carboxy-Quinoxalines", Journal Chemical Society, 1956, pp. 1269-2572.
G. W. H. Cheeseman, "Some 2-Substituted Quinokalines", Journal Chemical Society, 1957, pp. 2845-4156.
Beilstein, Second Supplement, vol. XXIV Syst. No. 3591, pp. 380-381.
Rhone-Poulene, Chemical Abstract, vol. 84, No. 164422z (1976).
Deschrijver Paul
Ganhy Jean-Pierre
Bernhardt F.
Interox (Societe Anonyme)
Sutto Anton H.
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