http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-2780323-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_173bc2c63b34988699010ba05e5b1376 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/Y10T428-2982 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-26 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A01N25-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D215-28 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A01N25-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D215-10 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D215-04 |
| filingDate | 2012-11-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_066406a32e7b0ccf01dbe5c72b6a2445 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_db7dcb525ed6ea86be8c4942b2943696 |
| publicationDate | 2014-09-24-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-2780323-A1 |
| titleOfInvention | Process for the preparation of a quinoline carboxylic acid |
| abstract | Process for the preparation of a quinoline carboxylic acid The invention provides a process for the preparation of a carboxylic acid of formula (IV) (which is useful as a safener for herbicides): wherein R 1 is hydrogen or chlorine, comprising the steps of: (i) subjecting a compound of formula (V) wherein: R 1 is as defined above;and R 2 is C 1 -C 18 alkyl;C 1 -C 6 alkoxyC 1 -C 8 alkyl-;optionally substituted phenyl; or optionally substituted benzyl; to hydrolysis under acidic conditions to give a solution of a quinolinium salt;and (ii) addingbase to the solution obtained in step (i) to give the free carboxylic acid (IV). The invention also provides a solid (e.g. particulate) form of one quinoline carboxylic acid compound within formula (IV) defined by R 1 being chlorine;and novel intermediates useable in the above process. |
| priorityDate | 2011-11-14-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 133.