13031-04-4, Name is 4,4-Dimethyldihydrofuran-2,3-dione, belongs to tetrahydrofurans compound, is a common compound. Quality Control of 4,4-Dimethyldihydrofuran-2,3-dioneIn an article, once mentioned the new application about 13031-04-4.
A highly efficient enantioselective addition of Me2Zn to alpha-ketoesters, assisted by a chiral perhydro-1,3-benzoxazine ligand, is described. This novel catalytic system offers homogeneous elevated enantioselectivities in the preparation of alpha-hydroxyesters that bear a quaternary stereocenter, with a minor dependence on electronic and steric effects when aromatic, heteroaromatic, or aliphatic alpha-ketoesters are employed. The catalyst can be recovered and reused without loss of activity.
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Reference：
Tetrahydrofuran – Wikipedia,
Tetrahydrofuran | (CH2)3CH2O – PubChem