Invention Grant
- Patent Title: (6R,10R)-6,10,14-trimetylpentadecan-2-one prepared from 6,10,14 trimetylpentadeca-5,9,13-trien-2-one or 6,10,14-trimetylpentadeca-5,9-dien-2-one
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Application No.: US14652297Application Date: 2013-12-18
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Publication No.: US09611200B2Publication Date: 2017-04-04
- Inventor: Werner Bonrath , Thomas Netscher , Jonathan Alan Medlock , René Tobias Stemmler , Johannes Tschumi , Gerardus Karel Maria Verzijl , Andreas Hendrikus Maria De Vries
- Applicant: DSM IP ASSETS B.V.
- Applicant Address: NL Heerlen
- Assignee: DSM IP ASSETS B.V.
- Current Assignee: DSM IP ASSETS B.V.
- Current Assignee Address: NL Heerlen
- Agency: Nixon & Vanderhye P.C.
- Priority: EP12197812 20121218
- International Application: PCT/EP2013/077233 WO 20131218
- International Announcement: WO2014/096098 WO 20140626
- Main IPC: C07C29/17
- IPC: C07C29/17 ; C07C29/42 ; C07C43/313 ; C07C43/303 ; C07C41/48 ; C07C45/62 ; C07C45/67 ; C07C45/82 ; C07D317/12 ; C07D319/12 ; C07D311/72 ; C07D319/06
Abstract:
The present invention relates to a process of manufacturing (6R,10R)-6,10,14-trimethylpentadecan-2-one in a multistep synthesis from a mixture of (5E,9E)-, (5E,9Z)-, (5Z,9E)- and (5Z.9Z)-isomers of 6,10,14-trimethylpentadeca-5,9,13-trien-2-one or 6,10,14-trimethylpentadeca-5,9-dien-2-one. The process is very advantageous in that it forms in an efficient way the desired chiral product from a mixture of stereoisomers of the starting product.
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