期刊
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
卷 139, 期 27, 页码 9132-9135出版社
AMER CHEMICAL SOC
DOI: 10.1021/jacs.7b04800
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资金
- US Department of Energy [DE-SC0013307]
- National Science Foundation (NSF) [CHE-0946721]
- U.S. Department of Energy (DOE) [DE-SC0013307] Funding Source: U.S. Department of Energy (DOE)
[Ar2N3]Mo(N)(O-t-Bu), which contains the conformationally rigid pyridine-based diamido ligand, [2,6-(ArNCH2)(2)NC5H3](2-) (Ar = 2,6-diisopropylphenyl), can be prepared from H-2[Ar2N3], butyllithium, and (t-BuO)(3)Mo(N). [Ar2N3]Mo(N)(O-t-Bu) serves as a catalyst or precursor for the catalytic reduction of molecular nitrogen to ammonia in diethyl ether between 78 and 22 degrees C in a batchwise manner with CoCp2* as the electron source and Ph2NH2OTf as the proton source. Up to similar to 10 equiv of ammonia can be formed per Mo with a maximum efficiency in electrons of similar to 43%.
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