Racemic and Optically Active Hydantoins from Disubstituted Cyanoacetic Acids
Starting from the chiral disubstituted cyanoacetic acids 1 the racemates and some enantiomers of the 5,5-disubstituted hydantoins 6 and of the 3-methylhydantoins 7 are synthesized via the isocyanates 3.Their absolute configurations are determined.
Knabe, Joachim,Wunn, Wolfgang
p. 538 - 543
(2007/10/02)
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