Transacetalization Reaction of Acetals by Lactic Acid. Diastereoselective Synthesis of 2-Substituted-5-methyl-1,3-dioxolan-4-ones
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Ortholand, Jean-Yves,Vicart, Nicolas,Greiner, Alfred
p. 1880 - 1884
(2007/10/02)
Novel ruthenium-catalyzed synthesis of 1,3-dioxolan-4-ones from α-hydroxy acids and terminal alkynes via enol esters
α-Hydroxy acids react with terminal alkynes, in the presence of binuclear ruthenium complexes 2 as catalyst precursors, to selectively afford either α-hydroxy enol esters or their cyclization products 1,3-dioxolan-4-ones.
Neveux, Muriel,Seiller, Benedicte,Hagedorn, Frauke,Bruneau, Christian,Dixneuf, Pierre H.
p. 133 - 138
(2007/10/02)
Chirality transfer from lactic acid selective synthesis of 2,2-disubstituted-1,3-dioxolan-4-ones from ketones and acetals
Diastereomeric 2,2-disubstituted-5-methyl-1,3-dioxolan-4-ones were prepared from lactic acid and ketones or their acetals with excellent control of stereochemistry under kinetic or thermodynamic reaction conditions.
Greiner,Ortholand
p. 2135 - 2138
(2007/10/02)
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