| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_f8dbdfc93841b3d731fbab7ea48b412a |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D405-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D319-08
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D473-06 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D473-06
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D405-12
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D319-08 |
| filingDate |
1994-05-18^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1997-10-07^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_9c7a39060cf85edfc51e3ec0bcebb264
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cc6bdb4c99290dc906310538bec7439c |
| publicationDate |
1997-10-07^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-5675005-A |
| titleOfInvention |
Process for preparing xanthine derivatives, in particular 1,3-dipropyl-8-(3-oxocyclopentyl)-xanthine |
| abstract |
PCT No. PCT/EP94/01611 Sec. 371 Date Mar. 7, 1995 Sec. 102(e) Date Mar. 7, 1995 PCT Filed May 18, 1994 PCT Pub. No. WO94/26743 PCT Pub. Date Nov. 24, 1994This invention relates to a process for preparing xanthine derivatives of formula I: <IMAGE> I characterized in that a uracil derivative of formula A or B <IMAGE> A or <IMAGE> B is dissolved in a suitable organic-aqueous solvent and cyclized in the presence of LiOH. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2007048717-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-7598379-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2010004445-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/WO-2014009872-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-9359367-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007105821-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8501941-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-8420813-B2
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007129554-A1
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2007197797-A1 |
| priorityDate |
1993-05-18^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |