| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_5c24684033fba97d1ad845ce453a57e3 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C35-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-67
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C45-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-675
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-697
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07C49-683 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-683
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C45-46
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07B61-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-697
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-675
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07C49-67 |
| filingDate |
1993-09-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1998-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_972a9188f2e1f43ddfad31aba16f16e6
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_de203217c48e9a50b90621acd8be2139 |
| publicationDate |
1998-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
RU-2110510-C1 |
| titleOfInvention |
Method of preparing substituted indanones |
| abstract |
FIELD: chemical industry. SUBSTANCE: present invention describes method for preparing substituted indanones of formula IV or IVa: wherein R 1 -R 7 is preferably hydrogen or alkyl, or adjacent residues, R 1 -R 4 form cycle, obtained by one stage reaction which comprises reacting compound of formula (I): with compound of formula (II): or with compound of formula (III): in anhydrous hydrogen fluoride and in the presence on boron trifluoride. EFFECT: more efficient preparation method. |
| priorityDate |
1992-09-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |