Intramolecular aromatic amination by a hydrazino group for the synthesis of indolo[1,2 -b]indazole derivatives

A versatile method for the preparation of indolo[1,2- b]indazole derivatives was developed by the aid of palladium-catalyzed aromatic amination reaction starting from indoline derivatives. Graphic

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Bibliographic Details
Published in:Tetrahedron letters 2002-05, Vol.43 (19), p.3577-3580
Main Authors: Zhu, Yong-ming, Kiryu, Yoshimitsu, Katayama, Hajime
Format: Article
Language:English
Subjects:
1-aminoindoline
air oxidation
aromatic amination
cyclization
indolo[1,2- b]indazole
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Description
Summary:A versatile method for the preparation of indolo[1,2- b]indazole derivatives was developed by the aid of palladium-catalyzed aromatic amination reaction starting from indoline derivatives. Graphic
ISSN:0040-4039
1873-3581
DOI:10.1016/S0040-4039(02)00545-2