http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4960907-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_da54f7ebbd2d9d8a82f92aca4d1b4e48 |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C2602-22 |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C67-32 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C67-32 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-74 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C69-757 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D317-72 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D319-08 |
| filingDate | 1988-01-07-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 1990-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_daa7f757ff734e84e97adde177e84bea http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a079d6172a1fb1d237e73b48c4d11e63 |
| publicationDate | 1990-10-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-4960907-A |
| titleOfInvention | Process for the production of bicyclo(3.3.0)octane-3,7-dione-2-carboxylic acid esters |
| abstract | PCT No. PCT/DE88/00011 Sec. 371 Date Jul. 24, 1989 Sec. 102(e) Date Jul. 24, 1989 PCT Filed Jan. 7, 1988 PCT Pub. No. WO88/05429 PCT Pub. Date Jul. 28, 1988.The invention relates to a process for the production of D,L-bicyclo[3.3.0]octane-3,7-dione-2-carboxylic acid esters of Formula I <IMAGE> (I) wherein R is methyl or ethyl, and Z isoxygen or the ketal residue <IMAGE> wherein X means ethylene, trimethylene or 2,2-dimethyltrimethylene, characterized in that D,L-bicyclo[3.3.0]octane-3,7-dione-2,6-dicarboxylic acid esters of Formula II <IMAGE> (II) wherein R has the meanings given above, are partially saponified and decarboxylated in an aqueous or water-containing medium in the presence of acids, and are optionally selectively ketalized. |
| priorityDate | 1987-01-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 51.