EP 1511565 A2 20050309 - CATALYST AND PROCESS FOR THE CYANATION OF ALDEHYDES
Title (en)
CATALYST AND PROCESS FOR THE CYANATION OF ALDEHYDES
Title (de)
KATALYSATOR UND PROZESS ZUR CYANIERUNG VON ALDEHYDEN
Title (fr)
CATALYSEUR ET PROCEDE DE CYANATION D'ALDEHYDES
Publication
Application
Priority
- GB 0302227 W 20030522
- GB 0212017 A 20020524
Abstract (en)
[origin: WO03099435A2] A vanadium catalyst and a process for cyanating an aldehyde are provided. The vanadium catalyst comprises a Vanadium(V) salen complex. The process comprises reacting the aldehyde with: i) a cyanide source which does not comprise a Si-CN bond or a C-(C=O)-CN moiety; and ii) a substrate susceptible to nucleophilic attack not comprising a halogen leaving group; in the presence of a chiral vanadium catalyst. The cyanide source is preferably an alkali metal cyanide and the substrate susceptible to nucleophilic attack not comprising a halogen leaving group is a carboxylic anhydride.
IPC 1-7
IPC 8 full level
B01J 31/22 (2006.01); B01J 31/18 (2006.01); C07B 53/00 (2006.01); C07B 61/00 (2006.01); C07C 249/02 (2006.01); C07C 251/24 (2006.01); C07C 253/00 (2006.01); C07C 255/38 (2006.01); C07F 9/00 (2006.01)
CPC (source: EP KR)
B01J 31/00 (2013.01 - KR); B01J 31/02 (2013.01 - KR); B01J 31/1805 (2013.01 - EP); B01J 31/2243 (2013.01 - EP); C07C 253/00 (2013.01 - EP); B01J 2231/341 (2013.01 - EP); B01J 2531/0252 (2013.01 - EP); B01J 2531/56 (2013.01 - EP)
C-Set (source: EP)
Citation (search report)
See references of WO 03099435A2
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR
DOCDB simple family (publication)
WO 03099435 A2 20031204; WO 03099435 A3 20040212; AU 2003241010 A1 20031212; AU 2003241010 A8 20031212; CA 2487295 A1 20031204; EP 1511565 A2 20050309; GB 0212017 D0 20020703; JP 2005526608 A 20050908; KR 20050013551 A 20050204; MX PA04011593 A 20050331
DOCDB simple family (application)
GB 0302227 W 20030522; AU 2003241010 A 20030522; CA 2487295 A 20030522; EP 03730328 A 20030522; GB 0212017 A 20020524; JP 2004506952 A 20030522; KR 20047018885 A 20030522; MX PA04011593 A 20030522