| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_0efa077d881a96aeb1e29b21ef1bbb58 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-04 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D239-52
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-04 |
| filingDate |
1997-10-16-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
2006-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_03d84d61b8f6dc199c8663ba231392ec
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_caccd198442fa5f9e735507a16ae7298
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_90c332906b04fe130316b0cb20f8413a
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c75d1b8900bd3937bfb9137bf682c59c |
| publicationDate |
2006-11-28-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
CA-2268775-C |
| titleOfInvention |
Process for the preparation of phtalide |
| abstract |
A process for preparation of substituted phthalides, heterocyclic phthalides and derivatives thereof of the formula I wherein A is phenyl or pyridyl; R is a carboxyl group; X and Y taken together represent = O; or X and R taken together may form a bridge, which process comprises reacting an aromatic carboxylic acid mono- or di-anion with a reactive derivative of a pyrimidine carboxylic acid. |
| priorityDate |
1996-10-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |