EP 1102740 A1 20010530 - METHOD FOR PRODUCING SORBIC ACID AND SORBIC ACID ESTERS OR DERIVATIVES THEREOF
Title (en)
METHOD FOR PRODUCING SORBIC ACID AND SORBIC ACID ESTERS OR DERIVATIVES THEREOF
Title (de)
VERFAHREN ZUR HERSTELLUNG VON SORBINSÄURE UND SORBINSÄUREESTERN ODER DEREN DERIVATEN
Title (fr)
PROCEDE POUR LA PREPARATION D'ACIDE SORBIQUE ET D'ESTERS D'ACIDE SORBIQUE OU DE LEURS DERIVES
Publication
Application
Priority
- DE 19835783 A 19980807
- EP 9905167 W 19990720
Abstract (en)
[origin: DE19835783A1] The invention relates to a method for producing compounds of formula (I) in which R<1> = H, C1-C6 alkyl, C1-C6 alkenyl, C3-C6 cycloalkyl or phenyl and R<2> = H or C1-C3 alkyl, whereby propyne is reacted with a compound of formula (II), in which R<1> and R<2> have the above-mentioned meanings, in the presence of a transition metal catalyst system.
IPC 1-7
IPC 8 full level
C07B 61/00 (2006.01); C07C 51/353 (2006.01); C07C 67/30 (2006.01); C07C 67/347 (2006.01); C07C 69/602 (2006.01)
CPC (source: EP)
C07C 51/353 (2013.01); C07C 67/347 (2013.01)
Citation (search report)
See references of WO 0007973A1
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
DE 19835783 A1 20000217; AU 5285699 A 20000228; CA 2339736 A1 20000217; EP 1102740 A1 20010530; JP 2002522408 A 20020723; WO 0007973 A1 20000217
DOCDB simple family (application)
DE 19835783 A 19980807; AU 5285699 A 19990720; CA 2339736 A 19990720; EP 9905167 W 19990720; EP 99938299 A 19990720; JP 2000563608 A 19990720