期刊
ZEITSCHRIFT FUR ANORGANISCHE UND ALLGEMEINE CHEMIE
卷 648, 期 19, 页码 -出版社
WILEY-V C H VERLAG GMBH
DOI: 10.1002/zaac.202200098
关键词
Fluoride; Lewis acid; Stiborane; Hydrogen bonding; Anion binding
资金
- National Science Foundation [CHE-2108728]
- Welch Foundation [A-1423]
- Texas A&M University (Arthur E. Martell Chair of Chemistry)
To enhance the fluoride binding ability of Lewis acidic stiboranes, a Sb-V derivative has been synthesized and characterized. The derivative features diarylamine groups positioned near the antimony center, allowing for hydrogen bonding interactions with Sb-bound fluoride anions. Experimental and computational results demonstrate that the fluoride ion affinity of this derivative is superior to other compounds.
To augment the fluoride binding ability of Lewis acidic stiboranes, we have synthesized and characterized a Sb-V derivative (PhSbF2((o-(NH(2,6-C6H3F2)C6H4)(2), 3) featuring diarylamine groups installed in proximity to the antimony center and poised to engage Sb-bound fluoride anions in hydrogen bonding interactions. A competition experiment between 3 and Ph3SbF2 (4) along with calculations show that the fluoride ion affinity of 3 is superior to that of 4.
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