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Synthesis 2000; 2000(5): 640-642
DOI: 10.1055/s-2000-6392
short paper
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En Route to Molecular Bracelets: The Synthesis of Linear Pentacyclic Bis(benzodiazocino)benzenes

Ying Cheng* , Qing-Xiang Liu, Otto Meth-Cohn *
  • *Department of Chemistry, Beijing Normal University, Beijing 100875, China; Fax + 44(191)5 15 25 87; E-mail: otto.meth-cohn@sunderland.ac.uk
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Publication History

Publication Date:
31 December 2000 (online)

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The title compounds, namely dibenzo[b,b′]benzo[1,2-f:4,5-f′]bis[1,5]diazocines, have been synthesised in a single step in two alternative ways by application of the `tertiary amino effect': (i) the action of bis-Vilsmeier reagents derived from N,N′-dimethyl-N,N′-diformyl-p-phenylenediamine upon 4-substituted N,N-dimethylanilines, and (ii) the action of Vilsmeier reagents derived from 4-substituted N-methylformanilides on bis(dimethylamino)benzenes.

Vilsmeier - bisdiazocines - bracelets

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