An unusual direction of the Richter synthesis. 1H-naphtho[2,3-g]indazole-6,11-diones

DOI: 10.1016/S0040-4039(00)73485-X

Source and publish data:

Tetrahedron Letters p. 6749 - 6752 (1994)

Update date:2022-08-04

Topics:

Authors:

Shvartsberg, Mark S.

Ivanchikova, Irena D.

Fedenok, Lidiya G.

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Article abstract of DOI:10.1016/S0040-4039(00)73485-X

Diazotization of 2-acetylenic derivatives of 1-aminoanthraquinone followed by intramolecular cyclization leads to the formation in good yields of 1H-3-acyl- or 1H-3-(1,1-dichloroalkyl)naphtho[2,3-g]indazole-6,11-diones, rather than 3-substituted 4-hydroxy

Full text of DOI:10.1016/S0040-4039(00)73485-X

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