Richter cyclization and co-cyclization reactions of triazene-masked diazonium ions

DOI: 10.1016/j.tetlet.2010.10.122

Source and publish data:

Tetrahedron Letters p. 6882 - 6885 (2010)

Update date:2022-08-04

Topics:

Authors:

Goeminne, Annelies

Scammells, Peter J.

Devine, Shane M.

Flynn, Bernard L.

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Article abstract of DOI:10.1016/j.tetlet.2010.10.122

The conventional Richter cyclization involves diazotization of 2-alkynylanilines with HX (aq) (X = Br or Cl) and NaNO₂, followed by spontaneous ring closure to give a mixture of 4-halocinnoline and 4-cinnolinone products. The different products

Full text of DOI:10.1016/j.tetlet.2010.10.122

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