http://rdf.ncbi.nlm.nih.gov/pubchem/patent/TW-201204705-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_173bc2c63b34988699010ba05e5b1376 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D231-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D303-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D303-08 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D231-14 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C211-61 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D303-36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D303-08 |
| filingDate | 2011-04-19-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a41f91fde4f4ca5d6df3f90b92c2f779 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_39d8e402d9deb6c27adcc455ae2e3925 |
| publicationDate | 2012-02-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | TW-201204705-A |
| titleOfInvention | Process for the preparation of pyrazole carboxylic acid amides |
| abstract | The invention relates to a process for the preparation of formula I, which process comprises (a) reacting the compound II, with cyclopentadiene to; (b) reacting this compound in the presence of an oxidant to the compound of formula IV; (c) hydrogenating this compound in the presence of a metal catalyst and an inert solvent under hydrogen atmosphere to the compound of formula V; (d) reacting this compound in the presence of a Bronsted acid followed by a reducing agent to the compound of formula VI; (e) reacting VI with a compound VII, in the presence of a base to a compound of formula VIII; (f) converting the compound of formula VIII in the presence of an oxidising agent to the compound of formula IX; and (g) reacting the compound of formula IX in the presence of triphenylphosphane/carbon tetrachloride or triphenylphosphane/bromotrichloromethane to the compound of formula I. |
| priorityDate | 2010-04-20-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 92.