Lithium phosphonate umpolung catalysts: Do fluoro substituents increase the catalytic activity?
Fluorinated and nonfluorinated phosphonates are employed as precatalysts in lithium phosphonate catalyzed cross benzoin couplings. Surprisingly, a decreased catalytic activity for the fluorinated precatalysts compared to the nonfluorinated systems is observed. Furthermore, the ring size of six, seve...
| Main Authors: | , , |
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| Format: | Online |
| Language: | English |
| Published: |
Beilstein-Institut
2011
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3182427/ |