http://rdf.ncbi.nlm.nih.gov/pubchem/patent/AR-074164-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e559abcd8f120b071dc1162360867ffa http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_173bc2c63b34988699010ba05e5b1376 |
| filingDate | 2009-07-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2010-12-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | AR-074164-A1 |
| titleOfInvention | PROCESSES FOR PREPARATION OF ESTERS |
| abstract | This refers to a process for the preparation of synthetic pyrethroid insecticides. Claim 1: A process for the preparation of compounds of the formula (1), wherein R 1 is hydrogen, alkyl, haloalkyl or halogen; R2 is hydrogen, alkyl, haloalkyl or halogen; R3 is hydrogen, cyano or alkynyl; Ar is an optionally substituted aryl or heteroaryl group, which comprises reacting a carboxylic acid of the formula (2) with an alcohol of the formula (3) in the presence of a catalyst selected from zirconium-containing catalysts, hafnium-containing catalysts, catalysts containing iron, catalysts containing cobalt, catalysts containing tin, catalysts containing titanium, catalysts for ammonium salts and catalysts containing boronic acid. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-109111373-A |
| priorityDate | 2009-07-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 27.