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Thermolysis of Carbamoyl Azides. II. A. Novel Reduction of Azides with Elemental Copper

✍ Scribed by Werner Reichen

Publisher
John Wiley and Sons
Year
1977
Tongue
German
Weight
507 KB
Volume
60
Category
Article
ISSN
0018-019X

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✦ Synopsis

Abstract

Copper(0) does not catalyze the decomposition of dialkylcarbamoyl azides 5a–e but instead it is oxidized to copper(II) while the azides 5 are reduced by uptaking one electron per molecule and eliminating nitrogen. A probable explanation for the formation of the resulting copper(II) diisocyanate diamine complexes 8a, b (see Scheme 2) as well as the other reaction products is given. A mechanism involving a carbamoyl nitrene as well as a Curtius rearrangement can be excluded.

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