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Synlett 1990; 1990(3): 148-150
DOI: 10.1055/s-1990-21015
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N-N Bond Cleavage: A Route to Macrocyclic Dilactams

Qingchang Meng* , Manfred Hesse
  • *Organisch-chemisches Institut der Universität Zürich, Winterthurerstrasse 190, CH-8057 Zürich, Switzerland
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Publication Date:
08 March 2002 (online)

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The N-N bonds of bicyclic diacyl hydrazides 12, 13, and 14 are reductively cleaved with sodium in liquid ammonia, leading to the corresponding macrocyclic dilactams 15, 16, and 17 in high yields.