| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_a7c6bf85bdaca6452b24b74f8cdb10ef
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_981a37900e6991fb373304ed2ba5a703
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_184d8d673ef38d1e6c537549d738b3b2 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D307-58
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D417-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-12 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D307-02
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-00 |
| filingDate |
2010-12-21-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2013-01-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a61a19fcf666cb38faf303a002912ffa
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2978d4879409b9404d82e030be7534f7 |
| publicationDate |
2013-01-01-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-8344151-B2 |
| titleOfInvention |
Process for the preparation of 4-aminobut-2-enolides starting from 4-alkoxyfuran-2(5H)-one or 4-arylalkoxyfuran-2(5H)-one |
| abstract |
Process for the preparation of 4-aminobut-2-enolide compounds of the formula (I): n ncomprisingn reaction of a 4-alkoxyfuran-2(5H)-one compound or 4-arylalkoxyfuran-2(5H)-one compound of the formula (II) nn nwith an amine of the formula (III)n n nin which R 1 , R 2 and A have the definitions given in the description, in the presence of a Brønstedt acid. |
| priorityDate |
2009-12-23-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |