http://rdf.ncbi.nlm.nih.gov/pubchem/patent/PE-20090488-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_12a9e9ce63eb0bbf3658453fb50a6d9b |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D473-28 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P35-04 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/A61P35-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D475-00 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D475-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D487-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K31-498 |
| filingDate | 2005-11-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a0231a1f60aeedb4e40570f1b44e8a9e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_0d73a029308671f8b5203bfd667820df |
| publicationDate | 2009-05-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | PE-20090488-A1 |
| titleOfInvention | PROCEDURE FOR THE PREPARATION OF CONDENSED DERIVATIVES OF PIPERAZIN-2-ONA |
| abstract | REFERS TO A PROCEDURE FOR THE PREPARATION OF CONDENSED DERIVATIVES OF PIPERAZIN-2-ONA OF FORMULA (I) WHERE R1 IS Cl, F, METANSULFONILO, ETANSULFONILO, AMONG OTHERS; R2 IS H O ALKYL (C1-C3); R3 H, ALKYL (C1-C12), ARYL (C6-C14), AMONG OTHERS; R4 AND R5 ARE EACH H, ALKYL (C1-C6), AMONG OTHERS; A1 AND A2 ARE EACH -N =; WHICH INCLUDES THE STAGES: A) HYDROGENATE A COMPOUND OF FORMULA (II), WHERE R6 IS ALKYL (C1-C4), IN THE PRESENCE OF A HYDROGENATION CATALYST SUCH AS RHODIUM, RUTENIUM, PLATINUM, AMONG OTHERS, IN AN AMOUNT OF 0.1% AT 10% BY WEIGHT OF THE FORMULA COMPOUND (II); AND B) AN ORGANIC SALT OF COPPER, IRON OR VANADIUM IS ADDED IN AN AMOUNT OF 0.01 TO 10% BY WEIGHT OF THE COMPOUND OF FORMULA (II). THE REACTION IS CARRIED OUT IN A SOLVENT OR A MIXTURE OF SOLVENTS SUCH AS DIMETHYLFORMAMIDE, DIMETHYLACETAMIDE, METHANOL, ETHANOL, AMONG OTHERS, AT A REACTION TEMPERATURE INCLUDING BETWEEN 0 ° C AND 150 ° C AND AT A PRESSURE OF 1 BAR OF HYDROGEN THAN 100 ASCIENDE. FORMULA (i) BEING A PREFERRED COMPOUND |
| priorityDate | 2004-12-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 35.