Abstract
Diazotization of vicinal 1-amino-2-ethynyl-4-R-9,10-anthraquinones followed by a reaction with NaN3 gave 5-hydroxy-3-R-1H-naphtho[2,3-g] indazole-6,11-diones or 3-ethynyl-5-R-6H-anthra[1,9-cd]isoxazol-6-ones, depending on the substituents at the triply bonded C atom and in position 4 of the anthraquinone framework.
Original language | English |
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Pages (from-to) | 2088-2095 |
Number of pages | 8 |
Journal | Russian Chemical Bulletin |
Volume | 61 |
Issue number | 11 |
DOIs | |
Publication status | Published - 1 Nov 2012 |
Externally published | Yes |
Keywords
- anthraisoxazoles
- diazotization
- heterocyclization
- naphthoindazoles
ASJC Scopus subject areas
- Chemistry(all)