[EN] METHOD OF PREPARING 3,3,5,5-TETRAMETHYLCYCLOHEXANONE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE LA 3,3,5,5-TÉTRAMÉTHYLCYCLOHEXANONE
申请人:MERZ PHARMA GMBH & CO KGAA
公开号:WO2011000540A1
公开(公告)日:2011-01-06
Method of preparing 3,3,5,5-tetramethylcyclohexanone comprising step (i): (i) converting isophorone to 3,3,5,5-tetramethylcyclohexanone in the presence of methylmagnesium chloride. The thus prepared 3,3,5,5-tetramethylcyclohexanone may be employed in a method of preparing 1-amino-1,3,3,5,5-pentamethylcyclohexane (Neramexane) or a pharmaceutically acceptable salt thereof.
[EN] METHOD OF PREPARING 1-HYDROXY-1,3,3,5,5-PENTAMETHYLCYCLOHEXANE<br/>[FR] PROCÉDÉ DE PRÉPARATION DE 1-HYDROXY-1,3,3,5,5-PENTAMÉTHYLCYCLOHEXANE
申请人:MERZ PHARMA GMBH & CO KGAA
公开号:WO2011000536A1
公开(公告)日:2011-01-06
Method of preparing 1-hydroxy-1,3,3,5,5-pentamethylcyclohexane comprising step (ii): (ii) converting 3,3,5,5-tetramethylcyclohexanone to 1-hydroxy-1,3,3,5,5- pentamethylcyclohexane by using methylmagnesium chloride. 1-hydroxy-1,3,3,5,5- pentamethylcyclohexane may be used for preparing 1-amino-1,3,3,5,5- pentamethylcyclohexane (Neramexane) or a pharmaceutically acceptable salt thereof.
METHOD OF PREPARING 3,3,5,5-TETRAMETHYLCYCLOHEXANONE
申请人:Koller Herbert
公开号:US20130123541A1
公开(公告)日:2013-05-16
Method of preparing 3,3,5,5-tetramethylcyclohexanone comprising step (i): (i) converting isophorone to 3,3,5,5-tetramethylcyclohexanone in the presence of methylmagnesium chloride. The thus prepared 3,3,5,5-tetramethylcyclohexanone may be employed in a method of preparing 1-amino-1,3,3,5,5-pentamethylcyclohexane (Neramexane) or a pharmaceutically acceptable salt thereof.
CuX<sub>3</sub>Li<sub>2</sub>-catalysed conjugate addition of dialkylmagnesium reagents to α,β-unsaturated carbonyl compounds
作者:Manfred T. Reetz、Alois Kindler
DOI:10.1039/c39940002509
日期:——
Copper salts of the type CuX3Li2(X = halogen) catalyse the conjugate addition of dialkylmagnesiumcompounds to α,β-unsaturated carbonyl compounds in the presence or absence of Me3SiCl as an additive, the organomagnesium compounds being prepared from α-olefins, hydrogen and magnesium according to the procedure of Bogdanović.
在存在或不存在作为添加剂的Me 3 SiCl的情况下,CuX 3 Li 2类型的铜盐(X =卤素)催化二烷基镁化合物共轭加成到α,β-不饱和羰基化合物上,有机镁化合物由α-根据Bogdanović的程序制备烯烃,氢和镁。
Copper-catalyzed conjugate addition of trialkylaluminium to α,β-unsaturated carbonyl compounds
The Michael-type reaction of copper-catalyzed trialkylaluminium reagents with α,β-unsaturated carbonylcompounds is a useful and simple procedure for the transfer of hydrocarbon substituents. The scope of this process and the effect of chlorotrimethylsilane as additive were investigated. Preparatively useful results were generally obtained for enones even with higher organoaluminium reagents, whereas