http://rdf.ncbi.nlm.nih.gov/pubchem/patent/EP-0889874-A1
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d411f057afd16fae0abb5bd931e8130c |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C229-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C271-22 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C269-06 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C227-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C229-34 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C271-22 |
| filingDate | 1997-03-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_374c6d2c357e47e49b27dd51edcbdd36 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_857dbb9197017f630409126d172c6ab2 |
| publicationDate | 1999-01-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | EP-0889874-A1 |
| titleOfInvention | 7-amino-2-heptenoates and their use in the preparation of methylphenidate |
| abstract | PCT No. PCT/GB97/00811 Sec. 371 Date Sep. 25, 1998 Sec. 102(e) Date Sep. 25, 1998 PCT Filed Mar. 21, 1997 PCT Pub. No. WO97/35836 PCT Pub. Date Oct. 2, 1997The subject invention pertains to compounds of the formula Y1Y2N-(CH2)4-CH=C(Ph)-X wherein Y1 and Y2 are independently H or a removable blocking group, or Y1 and Y2 together are a removable divalent blocking group; and X is COOCH3 or a group convertible thereto. Such a compound may be cyclised, by Michael addition, to give methylphenidate, if necessary after removing blocking group(s) and converting X to COOCH3. The subject invention also pertains to methods for preparing compounds of the invention. |
| priorityDate | 1996-03-27-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 41.