Invention Grant
- Patent Title: Process for the production of amines
- Patent Title (中): 制备胺的方法
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Application No.: US12668053Application Date: 2008-06-30
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Publication No.: US08426646B2Publication Date: 2013-04-23
- Inventor: Maren Fuerst , Thomas Vettiger
- Applicant: Maren Fuerst , Thomas Vettiger
- Applicant Address: US NC Greensboro
- Assignee: Syngenta Crop Protection LLC
- Current Assignee: Syngenta Crop Protection LLC
- Current Assignee Address: US NC Greensboro
- Agent R. Kody Jones
- Priority: EP07013664 20070712
- International Application: PCT/EP2008/005338 WO 20080630
- International Announcement: WO2009/007033 WO 20090115
- Main IPC: C07C211/00
- IPC: C07C211/00 ; C07C209/00

Abstract:
The present invention relates to a process for the preparation of compounds of formula (I) wherein R1 is C6-C7 alkyl or a group (A1) wherein R2, R3 and R4 are each independently of the others hydrogen or C1-C4 alkyl; wherein a compound of formula (II) wherein R1 is as defined for formula (I) and X is bromine or chlorine, is reacted with urea in the presence of a base and a catalytic amount of at least one palladium complex compound, wherein the palladium complex compound comprises at least one ferrocenyl-biphosphine ligand.
Public/Granted literature
- US20100228055A1 PROCESS FOR THE PRODUCTION OF AMINES Public/Granted day:2010-09-09
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