http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-103539774-A
Outgoing Links
| Predicate | Object |
|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_d6a6f422b091ba12ea61d4adbf1b0e8e |
| classificationCPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D333-76 http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D295-30 |
| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D295-30 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D333-76 |
| filingDate | 2013-10-15-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_d41ec2af162f5a2059f8d52a55f39f2e http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_e656a96473b4d8b2ccb9b8fdbeed2f85 |
| publicationDate | 2014-01-29-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | CN-103539774-A |
| titleOfInvention | A kind of preparation method of dibenzothiophene derivatives |
| abstract | The invention discloses a preparation method of dibenzothiophene derivatives, comprising: in an organic solvent, under the catalysis of a Lewis acid, synthesizing a triazene compound with the chemical formula (I) (II) ( Ⅲ) or (Ⅳ) dibenzothiophene derivatives; wherein, R 1 is ethoxycarbonyl, cyano, hydrogen or acetyl; R 2 is chlorine or methyl, R 3 is chlorine; R 4 is halogen, Methyl or methoxy; R 5 is styryl. The preparation method of the invention is simple, the reaction condition is mild, and has wide application prospects in the fine chemical and pharmaceutical industries. |
| isCitedBy | http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104761513-B http://rdf.ncbi.nlm.nih.gov/pubchem/patent/CN-104761513-A |
| priorityDate | 2012-12-03-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 25.