| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_12d56ef0a2ab5e5e2ace2fe849fb312b |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D235-16
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D285-13
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D417-04 |
| filingDate |
1988-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_315a7e0165ed33666013eed1df9a8a3b
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_eedc86686b822f3f8e2aca4e4621c361
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_67f09d65c3bb9cc05fb76b31ec09049a |
| publicationDate |
1991-07-25-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
DD-292257-A5 |
| titleOfInvention |
PROCESS FOR PREPARING 5-HETEROARYL- (3H) -1,3,4-THIADIAZOL-2-ONEN |
| abstract |
The invention relates to a process for the preparation of * which are of interest as active substances in pharmaceutical chemistry. The essence of the invention is that 1-heteroarylthio-carbonyl-semicarbazides are cyclized to 5-heteroarylthiadiazoles by heating with an acid, especially acetic or hydrochloric acid. thiadiazole; * 1-heteroarylthiocarbonyl-semicarbazide; pharmaceuticals} |
| priorityDate |
1988-03-31-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |