| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_79751aeaa9923745648e5ae7d9c35782 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D211-74 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D211-74
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-00 |
| filingDate |
1979-11-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1981-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eb2bcc6237349e28bcae4149b2f1cf0b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d3405f8e1c9d052992180d41c20d8a90 |
| publicationDate |
1981-06-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4275211-A |
| titleOfInvention |
Process for preparing 2,2,6,6-tetraalkyl-4-oxopiperidines |
| abstract |
A process for producing piperidines of the formula (I) ##STR1## in which R 1 is hydrogen or C 1 -C 4 -alkyl, from a ketone of the formula (II) R 1 --CH 2 --C(O)--CH 3 , wherein R 1 has the meaning given above, and ammonia, in which process there is used as catalyst a strongly acid ion exchanger having a medium or large mesh size or having large macropores. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4831146-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-10807954-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-111285794-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4734502-A
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-11731940-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2020181088-A1 |
| priorityDate |
1978-11-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |