[EN] (6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10-DIMETYLUNDEC-5-EN-2-ONE OR 6,10-DIMETYLUNDECA-5,9-DIEN-2-ONE [FR] (6R,10R)-6,10,14-TRIMÉTHYLPENTADÉCAN-2-ONE PRÉPARÉE À PARTIR DE 6,10-DIMÉTHYLUNDÉC-5-ÉN-2-ONE OU DE 6,10-DIMÉTHYLUNDÉCA-5,9-DIÉN-2-ONE
[EN] (6R,10R)-6,10,14-TRIMETYLPENTADECAN-2-ONE PREPARED FROM 6,10-DIMETYLUNDEC-5-EN-2-ONE OR 6,10-DIMETYLUNDECA-5,9-DIEN-2-ONE [FR] (6R,10R)-6,10,14-TRIMÉTHYLPENTADÉCAN-2-ONE PRÉPARÉE À PARTIR DE 6,10-DIMÉTHYLUNDÉC-5-ÉN-2-ONE OU DE 6,10-DIMÉTHYLUNDÉCA-5,9-DIÉN-2-ONE
[EN] PROCESS OF ASYMMETRIC HYDROGENATION OF KETALS AND ACETALS<br/>[FR] PROCÉDÉ D'HYDROGÉNATION ASYMÉTRIQUE DE CÉTALS ET D'ACÉTALS
申请人:DSM IP ASSETS BV
公开号:WO2014096096A1
公开(公告)日:2014-06-26
The present invention relates to a process of the asymmetric hydrogenation of a ketal of an unsaturated ketone or an acetal of an unsaturated aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
[EN] USING MIXTURES OF E/Z ISOMERS TO OBTAIN QUANTITATIVELY SPECIFIC PRODUCTS BY COMBINING ASYMMETRIC HYDROGENATION AND ISOMERIZATION<br/>[FR] UTILISATION DE MÉLANGES D'ISOMÈRES E/Z EN VUE D'OBTENIR DES PRODUITS SPÉCIFIQUES DE MANIÈRE QUANTITATIVE PAR COMBINAISON D'HYDROGÉNATION ASYMÉTRIQUE ET D'ISOMÉRISATION
申请人:DSM IP ASSETS BV
公开号:WO2014096107A1
公开(公告)日:2014-06-26
The present invention relates to a process of manufacturing compound having stereogenic centres from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centres. The process involves an asymmetric hydrogenation and an isomerization step. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
[EN] USING MIXTURES OF E/Z ISOMERS TO OBTAIN QUANTITATIVELY SPECIFIC PRODUCTS BY COMBINED ASYMMETRIC HYDROGENATIONS<br/>[FR] UTILISATION DE MÉLANGES D'ISOMÈRES E/Z EN VUE D'OBTENIR DES PRODUITS SPÉCIFIQUES DE MANIÈRE QUANTITATIVE PAR HYDROGÉNATIONS ASYMÉTRIQUES COMBINÉES
申请人:DSM IP ASSETS BV
公开号:WO2014096106A1
公开(公告)日:2014-06-26
The present invention relates to a process of manufacturing compound having stereogenic centres from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centres. The process involves two asymmetric hydrogenation steps. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.
PROCESS OF ASYMMETRIC HYDROGENATION OF KETALS AND ACETALS
申请人:DSM IP ASSETS B.V.
公开号:US20160185683A1
公开(公告)日:2016-06-30
The present invention relates to a process of the asymmetric hydrogenation of a ketal of an unsaturated ketone or an acetal of an unsaturated aldehyde by molecular hydrogen in the presence of at least one chiral iridium complex. This process yields chiral compounds in a very efficient way and is very advantageous in that the amount of iridium complex can be remarkably reduced.
USING MIXTURES OF E/Z ISOMERS TO OBTAIN QUANTITATIVELY SPECIFIC PRODUCTS BY COMBINED ASYMMETRIC HYDROGENATIONS
申请人:DSM IP ASSETS B.V.
公开号:US20150321986A1
公开(公告)日:2015-11-12
The present invention relates to a process of manufacturing compound having stereogenic centres from a mixture of E/Z isomers of unsaturated compounds having prochiral double bonds. The hydrogenation product has a specific desired configuration at the stereogenic centres. The process involves two asymmetric hydrogenation steps. The process is very advantageous in that it forms the desired chiral product from a mixture of stereoisomers of the starting product in an efficient way.