Metal-Free sp3 C-SCF3 Coupling Reactions between Cycloketone Oxime Esters and S-trifluoromethyl 4-Methylbenzenesulfonothioate.
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DOI: 10.1021/acs.orglett.9b04343
Abstract: A novel sp3 C-SCF3 coupling reaction between cycloketone oxime esters and S-trifluoromethyl 4-methylbenzenesulfonothioate was achieved. Ethanol was found to facilitate this transformation by trapping the sulfonyl cation. The metal-free and photocatalyst-free reaction conditions, as well… read more here.
Keywords: scf3 coupling; oxime esters; esters trifluoromethyl; scf3 ... See more keywords
Strong negative thermal expansion in the hexagonal polymorph of ScF3
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DOI: 10.1039/c8ce00257f
Abstract: A new hexagonal polymorph of scandium fluoride (ScF3) has been synthesized and thoroughly characterized. The new phase displays two types of negative thermal expansion in a wide temperature range at normal pressure: a relatively weak… read more here.
Keywords: thermal expansion; negative thermal; hexagonal polymorph; scf3 ... See more keywords
Stereoselective Synthesis of Chiral α-SCF3-β-Ketoesters Featuring a Quaternary Stereocenter
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DOI: 10.3390/sym13010092
Abstract: The development of new and efficient methods, reagents, and catalysts for the introduction of fluorine atoms or fluorinated moieties in molecular scaffolds has become a topic of paramount importance in organic synthesis. In this framework,… read more here.
Keywords: synthesis chiral; stereoselective synthesis; scf3 ketoesters; scf3 ... See more keywords