Direct Transformation of Molecular Dinitrogen into Ammonia Catalyzed by Cobalt Dinitrogen Complexes Bearing Anionic PNP Pincer Ligands

The direct formation of ammonia from molecular dinitrogen under mild reaction conditions was achieved by using new cobalt dinitrogen complexes bearing an anionic PNP‐type pincer ligand. Up to 15.9 equivalents of ammonia were produced based on the amount of catalyst together with 1.0 equivalent of hy...

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Bibliographic Details
Published in:Angewandte Chemie International Edition 2016-11, Vol.55 (46), p.14291-14295
Main Authors: Kuriyama, Shogo, Arashiba, Kazuya, Tanaka, Hiromasa, Matsuo, Yuki, Nakajima, Kazunari, Yoshizawa, Kazunari, Nishibayashi, Yoshiaki
Format: Article
Language:English
Subjects:
Ammonia
catalysis
cobalt
dinitrogen
Nitrogen
pincer ligands
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Summary:The direct formation of ammonia from molecular dinitrogen under mild reaction conditions was achieved by using new cobalt dinitrogen complexes bearing an anionic PNP‐type pincer ligand. Up to 15.9 equivalents of ammonia were produced based on the amount of catalyst together with 1.0 equivalent of hydrazine (17.9 equiv of fixed nitrogen atoms). Cobalt dinitrogen complexes with an anionic PNP‐type pincer ligand enable the direct formation of ammonia from molecular dinitrogen under mild reaction conditions. Up to 15.9 equivalents of ammonia were produced based on the amount of catalyst together with one equivalent of hydrazine (17.9 equivalents of fixed N atoms).
ISSN:1433-7851
1521-3773
DOI:10.1002/anie.201606090