http://rdf.ncbi.nlm.nih.gov/pubchem/patent/JP-S63198662-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_e45efeaa6a34dfd9d44fa29a7fe0c806 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D211-46 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00 |
| filingDate | 1987-02-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_dfc435407ef07824c35175ec89cd3c25 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e97b0c965fdcffee6a6c2cc1abb46dce http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2b09dd5590f190c9a349b7a7a1c333a8 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c0908bcda391716d2220e76ca43f1a30 |
| publicationDate | 1988-08-17-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | JP-S63198662-A |
| titleOfInvention | Production of bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate |
| abstract | PURPOSE: To obtain the titled compound in high yield in slightly colored state, by using an aliphatic hydrocarbon solvent in the ester interchange of 2,2,6,6- tetramethyl-4-piperidinol with a sebacic acid ester in the presence of an alcoholysis catalyst. n CONSTITUTION: The objective bis(2,2,6,6-tetramethyl-4-piperidyl) sebacate useful as a photo-stabilizer for polymers can be produced in high yield, suppressing the by-production of hardly removable coloring impurities, by carrying out ester interchange reaction of 2,2,6,6-tetramethyl-4-piperidinol with a sebacic acid ester of formula (R 1 and R 2 are 1W8C alkyl or phenyl) in the presence of an alcoholysis catalyst (e.g. alkali metal, its lower alcoholate or hydride) in an aliphatic hydrocarbon solvent (preferably a solvent having higher boiling point than that of the produced lower alcohol, e.g. hexane, heptane, cyclohexane, etc.). n COPYRIGHT: (C)1988,JPO&Japio |
| priorityDate | 1987-02-13-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 34.