http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104177386-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D263-22 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F3-00 |
| filingDate | 2014-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-06-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104177386-B |
| titleOfInvention | A kind of nitrogen-bridged three aryloxy rare earth metal compounds and its preparation method and application |
| abstract | The invention discloses a kind of nitrogen-bridged three aryloxy rare earth metal compounds and preparation method thereof and its catalytic applications, the formula of this rare earth compound is: LLn (THF) 3 , its chemical structural formula is as follows: Wherein, in formula, L represents nitrogen-bridged three aryloxy ligands, ligand L H 3 Formula "-[Nitrilotris (methylene)] tris [4-R that is 2,2,2 1 -6-R 2 -phenol]；Ln is rare earth metal, the one in lanthanum, neodymium, samarium or yttrium；R 1 And R 2 Selected from CH 3 、Bu t , one in Cl.Invention also provides the preparation method of above-claimed cpd and it can be used as catalyst alkylene oxide and the application process of isocyanates cycloaddition reaction.The rare earth compound synthesis of the present invention is simple, and structure is clear and definite, and yield is high, application process mild condition, and activity is high, and selectivity is good, substrate wide accommodation. |
| priorityDate | 2014-07-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 103.