Title:
ゾピクロンの分割方法および中間化合物
Document Type and Number:
Japanese Patent JP2010535177
Kind Code:
A
Abstract:
The present invention refers to a process for the resolution into one of its enantiomers of the racemate of compound of formula (I):
which comprises separating said one of its enantiomers from a diastereoisomeric salt of formula (II), which is formed by reaction of the racemic mixture with an optically active acetylated amino acid of formula (III). The invention also refers to new intermediates which are useful to carry out the process of the invention.
Inventors:
David, Fernandez, Breda
Jordi, Ruis, Tous
Jordi, Ruis, Tous
Application Number:
JP2010518689A
Publication Date:
November 18, 2010
Filing Date:
August 01, 2008
Export Citation:
Assignee:
Esteve Kimika, Sociedad Anonima
International Classes:
C07D487/04; C07B57/00
Attorney, Agent or Firm:
Hirohito Katsunuma
Yukitaka Nakamura
Noritaka Yokota
Yukitaka Nakamura
Noritaka Yokota