申请人:Carcone Luca
                            
                            
                                公开号:US20140213821A1
                            
                            
                                公开(公告)日:2014-07-31
                            
                            It is described a process for the opening of lactone or lactam rings useful in the synthesis of pharmaceutically active compounds and the intermediates thereof, particularly Aliskiren. It has found that by selecting a type of solvent it is possible to obtain excellent yields and high optical and chemical purity of the isolated products.