Title:
レベチラセタムの調製法
Document Type and Number:
Japanese Patent JP2009544656
Kind Code:
A
Abstract:
The present invention relates to a process for the preparation of levetiracetam and, more particularly, to an improved process for the preparation of levetiracetam characterized by a crystallization-induced dynamic resolution of a diastereoisomeric mixture of an (±)-alpha-ethyl-2-oxo-1-pyrrolidine acetamide derivative.
Inventors:
Forkat, Massimiliano
Michelet, Ivan
Marani, Paolo
Massaces, Franco
Kotarika, Revius
Michelet, Ivan
Marani, Paolo
Massaces, Franco
Kotarika, Revius
Application Number:
JP2009521237A
Publication Date:
December 17, 2009
Filing Date:
July 20, 2007
Export Citation:
Assignee:
ZaCh System S.p.A.
International Classes:
C07D207/27; A61K31/4015; A61P25/00; A61P25/08; C07B53/00; C07B57/00; C07B61/00
Attorney, Agent or Firm:
Alga Patent Office, a patent business corporation
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Miyuki Ariga
Toshio Takano
Toshio Nakajima
Masaki Murata
Hiroto Yamamoto
Previous Patent: アゾリルメチルオキシラン、植物病原菌類を防除するためのその使用、お...
Next Patent: 新規なクロメンおよびチオクロメンカルボキサミド誘導体、その製造方法...
Next Patent: 新規なクロメンおよびチオクロメンカルボキサミド誘導体、その製造方法...