http://rdf.ncbi.nlm.nih.gov/pubchem/patent/ES-2546960-T3
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_173bc2c63b34988699010ba05e5b1376 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07B39-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C25-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C17-093 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C25-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C17-093 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B39-00 |
| filingDate | 2006-02-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2015-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_f367088011b4478c03f00bdffcced7b2 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_6565b901e6b5ba8a4ce1b9044b0a9b60 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a60885dac1e8c34d538cf58dcdfa9ca2 |
| publicationDate | 2015-09-30-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | ES-2546960-T3 |
| titleOfInvention | Procedure for the preparation of intermediate compounds |
| abstract | A process for the preparation of a compound of the formula (I) ** Formula ** in which R1, R2 and R3 are each independently of the others, hydrogen or a C1-C6 alkyl; and X is chlorine or bromine; comprising (a) reacting a compound of the formula (II) ** Formula ** with a gaseous or aqueous HX within an organic solvent, wherein X is as defined above for the formula (I ); (b) remove water by means of an azeotropic distillation in the event that an aqueous HX is used; and (c) add an organic nitrite; wherein the process for the preparation of the compound of the formula (I) takes place in the absence of copper. |
| priorityDate | 2005-02-09-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 95.