SCHEDULED MAINTENANCE
Synthesis of two nitrogen-containing polyaromatic compounds through gold catalysis/DBU-promoted cyclizations†
Tien-Lin
Wu 
a
and
Rai-Shung
Liu
*a
a
and
Rai-Shung
Liu
*a
Abstract
This work reports an efficient synthesis of novel benzo[7,8]indolizino[2,3,4,5-ija]quinazoline derivatives between 2-(2-ethynylaryl)acetonitriles 1 and anthranils 2. The synthetic approach involves the initial formation of 7-formylindole intermediates that can be implemented by DBU to activate a novel indole–nitrile–aldehyde cyclization.
- This article is part of the themed collection: CC 60th Anniversary Authors Collection
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