Hinsberg oxindole synthesis

The Hinsberg oxindole synthesis is a method of preparing oxindoles from the bisulfite additions of glyoxal.[1][2] It is named after its inventor Oscar Hinsberg.[3][4][5]

See also

References
  1. Elderfield, R.C. (1952). Heterocyclic Compounds. 3. New York. p. 139.
  2. Murthy, Sabbavarapu Narayana; Madhav, Bandaru; Nageswar, Yadavalli Venkata Durga (15 June 2010). "Revisiting the Hinsberg Reaction: Facile and Expeditious Synthesis of 3-Substituted Quinoxalin-2(1H)-ones under Catalyst-Free Conditions in Water". Helvetica Chimica Acta. 93 (6): 1216–1220. doi:10.1002/hlca.200900358.
  3. Hinsberg, O. (1888). "Ueber die Einwirkung der Natriumbisulfitverbindung des Glyoxals auf aromatische Monamine". Ber. Dtsch. Chem. Ges. 21: 110. doi:10.1002/cber.18880210122.
  4. Hinsberg, O.; Simeoff, A. (January 1898). "Synthese von Naphtindolderivaten" (PDF). Berichte der Deutschen Chemischen Gesellschaft. 31 (1): 250–254. doi:10.1002/cber.18980310150.
  5. Hinsberg, O. (1908). "Über Glykokoll und Indol-derivate". Ber. Dtsch. Chem. Ges. 41: 1367. doi:10.1002/cber.190804101252.
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