http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104844654-B
Outgoing Links
| Predicate | Object |
|---|---|
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B01J31-02 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B53-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C205-16 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07F9-6584 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C201-12 |
| filingDate | 2015-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate | 2016-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationDate | 2016-11-02-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-104844654-B |
| titleOfInvention | A kind of quaternary salt compounds and preparation method thereof |
| abstract | The invention discloses a kind of quaternary salt compounds and preparation method thereof; the method is with L tartaric acid cheap and easy to get as raw material; through carboxyl esterification, hydroxyl protection, grignard reaction, azide substitution, nitrine reduction and last with phosphorus pentachloride reaction etc. step, obtain one quaternary salt compounds；This quaternary salt compounds is a kind of new bronsted acid catalyst (hydrogen bond donor catalyst), can be applicable to be catalyzed asymmetric Mannich reaction, michael reaction and Henle reaction etc.. |
| priorityDate | 2015-04-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 114.