Zhang, Guang-Wu published the artcileCatalytic Enantioselective Alkynylation of Trifluoromethyl Ketones: Pronounced Metal Fluoride Effects and Implications of Zinc-to-Titanium Transmetalation, Category: chlorides-buliding-blocks, the publication is Angewandte Chemie, International Edition (2011), 50(15), 3538-3542, S3538/1-S3538/84, database is CAplus and MEDLINE.
Trifluoromethyl ketones were alkynylated stereoselectively in presence of cinchona alkaloid ligands, titanium tetraisopropoxide, dimethylzinc, and barium fluoride. The barium fluoride proved to be essential for asym. induction. The mechanism of zinc-to-titanium transmetalation is discussed.
Angewandte Chemie, International Edition published new progress about 5860-95-7. 5860-95-7 belongs to chlorides-buliding-blocks, auxiliary class Trifluoromethyl,Fluoride,Chloride,Benzene,Ketone, name is 1-(2-Chlorophenyl)-2,2,2-trifluoroethanone, and the molecular formula is C5H8N2O, Category: chlorides-buliding-blocks.
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