Publication Date:
2005
abstract:
A process for the preparation of 6-methyl-4-(R)-phenyl-chroman-2-one and 6-methyl-4-(S)-phenyl-chroman-2-one, intermediates for the synthesis of tolterodine and its (S) enantiomer, by reaction of 6-methyl-coumarin with phenylboronic acids, esters and derivatives thereof, in the presence of chiral catalysts.
Iris type:
6.1 Brevetto
Keywords:
tolterodine intermediates; phenylboronic acids; chiral catalyst; urinary incontinence
List of contributors: